| L'Club Online (Les Ambassadeurs) lclubonline.com | Les Ambassadeurs Club Limited | UKGC | 1 |
| La Fija lafija.com | Not identified | Peru MINCETUR | 1 |
| Ladbet ladbet.com | Jupiter Gaming Limited | UKGC | 1 |
| Ladbrokes ladbrokes.com | Entain plc | UKGC, Ireland, Australia NT Racing and Wagering Commission | 2 |
| Ladbrokes BE ladbrokes.be | Derby SA (Ladbrokes Belgium) | Belgium | 2 |
| Ladbrokes Dice diceladbrokes.be | Derby SA (Ladbrokes Belgium) | Belgium | 1 |
| LadCasino ladcasino.com | Jupiter Gaming Limited | UKGC | 1 |
| Lady Casino ladycasino.ro | New Gambling Solutions | Romania | 1 |
| Lady Riches ladyriches.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Laimz laimz.lv | Laimz / Klondaika | Latvia | 1 |
| Lake Palace Casino lakepalace.com | TD Investments Ltd | Kahnawake | 1 |
| Lala.bet lala.bet | Casbit Group N.V. | — | 1 |
| Lance de Sorte closed lancedesorte.bet.br | Betesporte Apostas On Line Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Lapalingo DE lapalingo.de | Rabbit Entertainment | Germany | 1 |
| Lapilanders lapilanders.com | L.C.S Limited | MGA | 1 |
| Lapland.com lapland.com | Vana Lauri OÜ | Estonia | 1 |
| Las Atlantis Casino lasatlantis.com | Not identified | — | 1 |
| Las Vegas lasvegas.ro | Dimsacon SRL | Romania | 1 |
| LaserBet laserbet.com.au | LaserBet (independent bookmaker) | Australia VGCCC (Victoria) | 1 |
| Lasmegas DE lasmegas.de | Interwetten | Sweden, Germany, Greece | 1 |
| Lataamo lataamo.com | Vana Lauri OÜ | Estonia | 1 |
| Late Casino latecasino.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Lazer Light Bingo lazerlightbingo.com | run by Broadway Gaming Group white label | UKGC | 1 |
| LeBull lebull.pt | Southern Stingray, S.A. | Portugal | 1 |
| Lebull Poland lebull.pl | FUN PROJECT / Silesia Entertainment | Poland | 1 |
| Legendz legendz.com | Legendz | — | 1 |
| Legendz.io (crypto) legendz.io | Chaincrest Ventures (3-102-936132 S.R.L., Legendz.io) | Anjouan | 1 |
| Lekkerbets lekkerbets.co.za | run by ProgressPlay white label | UKGC, MGA | 1 |
| Leon leon.bet | Jade Reef Ventures Corp. (Leon, Twin) | Anjouan | 1 |
| Leon Bet Tanzania leonbet.co.tz | Not identified | Tanzania | 1 |
| LeoVegas leovegas.com | LeoVegas Group | UKGC, Denmark, Netherlands | 6 |
| Let's Bet letsbet.net.au | Let's Bet (independent bookmaker) | Australia VGCCC (Victoria) | 1 |
| Letou letou.com | RegalTech Solutions Limitada (Letou, Vwin) | Anjouan | 1 |
| Letsbet DE letsbet.de | Starlet Entertainment Ltd | Germany | 1 |
| LevelUp Casino levelupcasino.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| LíderBet closed lider.bet.br | Logame do Brasil Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Lightning Link Casino lightninglinkcasino.com | Aristocrat Leisure Limited | — | 1 |
| Lights Camera Bingo lightscamerabingo.com | Jumpman Gaming | UKGC, Alderney | 1 |
| Linebet linebet.com | Aspro N.V. (Linebet) | Curaçao | 1 |
| Linebet Nigeria linebet.ng | Not identified | Nigeria Lagos - LSLGA | 1 |
| Lineups lineups.com | Catena Media plc | — | 1 |
| Lion Wins lionwins.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Lippy Bingo lippybingo.com | Broadway Gaming Group | UKGC | 1 |
| Lit Wins litwins.co.uk | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Livecasino.io livecasino.io | Yolo Group (Bitcasino.io, Sportsbet.io, Livecasino.io) | Anjouan | 1 |
| LiveScore Bet Nigeria livescorebet.com | LiveScore Group | Nigeria Lagos - LSLGA | 1 |
| Livesport livesport.pe | Not identified | Peru MINCETUR | 1 |
| Loadsa Bingo loadsabingo.com | Broadway Gaming Group | UKGC | 1 |
| Loco Casino lococasino.be | Golden Vegas (Noordzee Electronics) | Belgium | 1 |
| Locowin (KGC) locowin.com | Starscream Limited | Kahnawake | 1 |
| Lodur lodur.se | Soft2Bet | Sweden | 1 |
| Loewen Play DE loewen-play.de | Novomatic AG | Germany | 1 |
| Loewen Player DE loewen-player.de | Novomatic AG | Germany | 1 |
| Loki Casino lokicasino.com | Tessera | Anjouan | 1 |
| London Jackpots londonjackpots.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| London.bet london.bet | Thistle Bet Limited (London.bet) | UKGC | 1 |
| LoneStar Casino lonestarcasino.com | RealPlay Tech Inc. | — | 1 |
| Lonkero Kasino lonkerokasino.com | Blixx Gaming Ltd | Estonia | 1 |
| Loofers loofers.dk | Numen Group ApS | Denmark | 1 |
| Loonabet loonabet.com | Hazy Ltd | Anjouan | 1 |
| Loony Bingo loonybingo.com | Broadway Gaming Group | UKGC | 1 |
| Loot Casino lootcasino.com | Jumpman Gaming | UKGC, Alderney | 1 |
| Lordlucky DE lordlucky.de | Rabbit Entertainment | Germany | 1 |
| Lordping (ES) lordping.es | run by SkillOnNet white label | UKGC, MGA, Sweden | 5 |
| Los Vegas losvegas.bet | DoubleDown Interactive (SuprNation) | Sweden, UKGC | 1 |
| Lotaria Kombëtare lotaria.al | Novomatic AG | — | 1 |
| Loteria Națională a Moldovei lotto.md | Loteria Națională a Moldovei | — | 1 |
| Loterías y Apuestas del Estado loteriasyapuestas.es | Sociedad Estatal Loterías y Apuestas del Estado (SELAE) | Spain | 1 |
| Loterie Nationale loterie.lu | Loterie Nationale (Luxembourg) | — | 1 |
| Loterie Romande (Jouez Sport) loro.ch | Loterie Romande | Switzerland | 1 |
| Loterija Slovenije loterija.si | Loterija Slovenije d.d. | Slovenia | 1 |
| Loto-Québec (online, ex-Espacejeux) lotoquebec.com | Loto-Québec | Canada | 1 |
| LotoGreen closed lotogreen.bet.br | Sabia Administracao Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Lotos Wetten DE lotos-wetten.de | NetX Betting Ltd | Germany | 1 |
| Lottery.co.uk lottery.co.uk | run by ProgressPlay white label | UKGC, MGA | 1 |
| Lotto lotto.pl | Totalizator Sportowy | Poland | 1 |
| Lotto (GMX) lotto.gmx.de | ZEAL Network SE (Lotto24) | Germany | 2 |
| Lotto Bw DE lotto-bw.de | German state lottery companies (DLTB) | Germany | 1 |
| Lotto Hessen DE lotto-hessen.de | German state lottery companies (DLTB) | Germany | 1 |
| Lotto24 DE lotto24.de | ZEAL Network SE (Lotto24) | Germany | 1 |
| Lottoexperten lottoexperten.com | ImpactWin Partner Ltd | Sweden | 2 |
| LottoGo lottogo.com | Annexio | UKGC | 1 |
| Lottoland Brasil closed lottoland.bet.br | Levante Brasil Ltda | Brazil SPA (Ministry of Finance) | 1 |
| Lottoland UK lottoland.co.uk | Lottoland | Sweden, South Africa Western Cape, UKGC | 5 |
| Lottomart lottomart.co.uk | Maple International Ventures Limited (Lottomart) | Gibraltar, UKGC | 1 |
| Lottomatica (IT) lottomatica.it | Lottomatica Group | Italy | 1 |
| LottoStar lottostar.co.za | Betfred Group | South Africa Mpumalanga | 1 |
| LottoZone lottozone.com | ProgressPlay | UKGC, MGA | 1 |
| LOTTU closed lottu.bet.br | Grupo Esportes Gaming Brasil | Brazil SPA (Ministry of Finance) | 1 |
| Lotus Asia Casino lotusasiacasino.com | TD Investments Ltd | Kahnawake | 1 |
| Lovehearts Bingo loveheartsbingo.com | Broadway Gaming Group | UKGC | 1 |
| Löwen Play lowen-play.es | Grupo Tiki Taka Games | Spain | 1 |
| Luck luck.com | Crowd Entertainment Ltd | Romania | 1 |
| Luck City luckcity.com | run by ProgressPlay white label | UKGC, MGA | 1 |
| Luck Stars Casino luckstarscasino.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Luck.bet closed luck.bet.br | LBBR Apostas de Quota Fixa Limitada | Brazil SPA (Ministry of Finance) | 1 |
| Luckia España luckia.es | Luckia Gaming Group | Portugal, Spain, Colombia Coljuegos | 3 |
| LuckNation lucknation.com | Next Global Era Limited | Anjouan | 1 |
| Lucky 247 lucky247.uk | Broadway Gaming Group | UKGC | 1 |
| Lucky Admiral luckyadmiral.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Lucky Block luckyblock.com | Entretenimiento Rojo B.V. (Lucky Block) | — | 1 |
| Lucky Charm Bingo luckycharmbingo.com | Broadway Gaming Group | UKGC | 1 |
| Lucky Circus luckycircus.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| Lucky Cow Bingo luckycowbingo.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| Lucky Creek Casino luckycreek.com | TD Investments Ltd | Kahnawake | 1 |
| Lucky Elf luckyelfcasino.com | Metlait SRL | Anjouan | 1 |
| Lucky Emperor Casino luckyemperorcasino.co.uk | Casino Rewards | Denmark, Canada, UKGC | 1 |
| Lucky Hands luckyhands.com | Lucky Hands LLC | — | 1 |
| Lucky Koala luckykoala.com | Admiral Entertainment Limited (Anjouan licensee) | Anjouan | 1 |
| Lucky Louis luckylouis.com | SkillOnNet | UKGC, MGA, Sweden | 2 |
| Lucky Nugget luckynuggetcasino.com | Super Group (SGHC) | Kahnawake | 2 |
| Lucky Pants Bingo luckypantsbingo.com | The Rank Group Plc | UKGC | 1 |
| Lucky Pence luckypence.com | Broadway Gaming Group | UKGC | 1 |
| Lucky Play Star luckyplaystar.com | Wild Blackfin Limited SRL | Anjouan | 1 |
| Lucky Pro Casino luckyprocasino.com | ProgressPlay | UKGC, MGA | 1 |
| Lucky Red Casino luckyredcasino.com | Apex Dynamics Ltd. (Club World Casinos) | Anjouan | 1 |
| Lucky Seven luckyseven.ro | Viva Games SRL | Romania | 1 |
| Lucky Spins luckyspins.com | Rhino Entertainment Group | Estonia | 1 |
| Lucky Start luckystart.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| Lucky Tiger luckytiger.co.uk | run by VBET (Vivaro) white label | Sweden, Denmark, Netherlands | 1 |
| Lucky Vibe luckyvibe.com | Metlait SRL | Anjouan | 1 |
| Lucky VIP luckyvip.com | The Rank Group Plc | UKGC | 1 |
| Lucky31 lucky31.com | Samaki Limited | Anjouan | 1 |
| Lucky7 Casino lucky7casino.nl | Noord-Zuid Alliantie (Lucky7) | Netherlands | 1 |
| Lucky7even lucky7even.com | Metlait SRL | Anjouan | 1 |
| LuckyBet luckybet.cz | onebet a.s. (LuckyBet) | Czechia | 1 |
| LuckyBet luckybet.ng | Not identified | Nigeria Lagos - LSLGA | 1 |
| Luckybet Latvia luckybet.lv | SIA Luckybet.ee | Estonia, Latvia | 2 |
| Luckybull luckybull.com | Condor Gaming Group | UKGC, MGA | 1 |
| LuckyCasino luckycasino.com | LCKY Group (formerly Glitnor Group) | Sweden, Spain, Canada | 3 |
| Luckydays (KGC) luckydays.com | LuckyDays / SpinAway operators | Canada, Kahnawake | 2 |
| LuckyGames luckygames.be | Ardent Group (Gaming1) | Belgium | 1 |
| LuckyLand Slots luckylandslots.com | VGW Holdings | — | 1 |
| LuckyLiner luckyliner.com | Ellipse Entertainment (High Flyer Casino) | Canada | 1 |
| LuckyMate luckymate.co.uk | Anakatech Interactive | UKGC | 1 |
| LuckyMax7 luckymax7.com | Fortaprime SRL | — | 1 |
| Luckymeslots luckymeslots.com | SkillOnNet | UKGC, MGA, Sweden | 5 |
| Luckyniki luckyniki.com | SkillOnNet | UKGC, MGA, Sweden | 4 |
| LuckyNordic luckynordic.com | Blixx Gaming Ltd | Estonia | 1 |
| LuckySlots.us luckyslots.us | Sweet Innovation LLC | — | 1 |
| LuckyVegas luckyvegas.com | SkillOnNet | UKGC, MGA, Sweden | 3 |
| LuckyWins luckywins.com | Dama N.V. / Novatrix SRL network | Tobique, Anjouan | 1 |
| Lucy Casino lucycasino.com | run by Jumpman Gaming white label | UKGC, Alderney | 1 |
| LucysCasino lucyscasino.com | Famagousta B.V. | Curaçao | 1 |
| LulaBet lulabet.co.za | Not identified | South Africa Western Cape | 1 |
| LumiBet lumibet.com | Wild Blackfin Limited SRL | Anjouan | 1 |
| Lumo Slots lumoslots.com | ProgressPlay | UKGC, MGA | 1 |
| Luna Casino lunacasino.com | run by SkillOnNet white label | UKGC, MGA, Sweden | 3 |
| Lunaslots DE lunaslots.de | SkillOnNet | UKGC, MGA, Sweden | 1 |
| Lutrija Srbije lutrija.rs | Državna lutrija Srbije | Serbia | 1 |
| Luva.bet closed luva.bet.br | F12 do Brasil Jogos Eletronicos Ltda | Brazil SPA (Ministry of Finance) | 1 |
| LuxCasino luxcasino.co.uk | Happytiger ApS | UKGC | 1 |
| Luxury (KGC) luxury.casino | Casino Rewards | Denmark, Canada, UKGC | 3 |
| LV BET Latvia lvbet.lv | LV BET | Latvia, Poland | 2 |
| Lyllo Casino lyllocasino.com | ComeOn Group | Sweden | 2 |
| Lynholdet lynholdet.dk | JP/Politikens Hus A/S | Denmark | 1 |
| Lysti lysti.com | Njord Vantage Services LTD | Estonia | 1 |
