Leon S. Kennedy is a character in the Resident Evil series, a survival horror video game franchise created by Capcom. He has appeared in several games in the series, as well as other game franchises, novelizations, and animated films. Here is a list of Resident Evil games that feature Leon Kennedy:

• Resident Evil 2 (1998/2020)
• Resident Evil 3: Nemesis (as a side character)
• Resident Evil 4 (2005/2023)
• Resident Evil: The Darkside Chronicles
• Resident Evil: Operation Raccoon City (as a side character)
• Resident Evil: Revelations 2 (in Raid Mode)
• Resident Evil: Re:Verse

Note that Leon is not in Resident Evil 5, 7, or 8. He also appears in several non-canonical games in the series, such as Resident Evil Gaiden and Resident Evil: Zombie Busters.