- i-Banq
- iBank
- iBanq
- Icelandic
- Icelandic Króna
- iDEAL
- iDebit
- IGamical Group Ltd.
- iGamingCloud
- Igrosoft
- Imion Ltd Casinos
- Income Access
- Independent Betting Adjudication Service (IBAS)
- Indian Rupee
- Indonesian
- Indonesian Rupiah
- Infinity Economics
- Inpay
- InstaDebit
- Instant Bank Transfer
- Instant Banking powered by Citadel
- InstantTransfer
- Interac e-Transfer
- Interac Online
- Interbank
- Iranian Rial
- Iraqi Dinar
- Irish English
- Iron Dog Studios
- iSoftBet
- Israeli New Shekel
- Italian
- iTech Labs
- iWallet