No, the PS5 won't be backwards compatible with PS3, PS2, or PS1 games - Clocked
Which PS3 Is Backwards Compatible With PS2 - Guide - PlayStation Universe
Rumor: Sony Cloud Deal Will Make PS3 Backwards Compatible, Stream PS2/PS1 games
Will PS5 Be Backwards Compatible With PS3, PS2, and PS One in Update? - PlayStation LifeStyle
Is The PS3 Backwards Compatible?
PlayStation 5 Backward Compatibility Could Support Games From PS1, PS2, PS3 And PS4 - SPORTbible
PS5 Backwards Compatibility: Can You Play PS3, PS2, and PS1 Games on PlayStation 5? - Push Square
3 Ways to Play PS2 Games on a PS3 - wikiHow
Sony Patent Suggests PS1, PS2, and PS3 Could Be Backwards Compatible Via the Cloud - IGN
PlayStation 5 Isn't Backwards Compatible With PS1, PS2, or PS3 Games
PS4 backwards compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?
Is The PS3 Backwards Compatible?
3 Ways to Play PS2 Games on a PS3 - wikiHow
PlayStation 5 backwards compatibility for PS1, PS2, and PS3 games could be provided by a revamped PS Now service with upscaling capabilities - NotebookCheck.net News
Is the PS5 backwards compatible with PS2, PS3, and PS4 games?