Brian Green may refer to:
- In real life
- Brian Green (athlete) (born 1941), British sprinter
- Brian Green (author) (born 1951), a pseudonym used by American author Orson Scott Card
- Brian Green (barrister) (born 1956), British barrister
- Brian Green (baseball), American baseball coach
- Brian Green (footballer) (1935–2012), British football (soccer) coach
- Brian Green (game developer) (often under the pseudonym of Psychochild, 1973–2020), American game developer -- Created the first 3d, MMORPG ever in 1995.
- Brian Austin Green (born 1973), American actor
- Brian Lane Green (born 1962), American stage actor
- In fiction