Nathan Brown may refer to:
- Nathan Brown (poet) (born 1965), American poet, writer and singer
- Nathan Brown (missionary) (1807–1886), American religious leader
- Nathan Brown (rugby league, born 1973), Australian rugby league player and coach
- Nathan Brown (rugby league, born 1993), Australian rugby league player
- Nathan Brown (writer) (born c. 1974), Australian, also editor
- Nathan Brown (American football) (born 1986), American football quarterback
- Nathan Brown (cyclist) (born 1991), American cyclist
- Nathan Brown (West Virginia politician) (born 1979), American politician
- Nathan Clifford Brown (1856–1941), American ornithologist
- Nathan J. Brown (political scientist) (born 1958), political scientist & academic
- Nathan W. Brown (1819–1893), Paymaster-General of the United States Army
- Australian rules footballers:
- Nathan Brown (Australian footballer, born 1976), former player for Melbourne
- Nathan Brown (Australian footballer, born 1978), former player for Richmond and the Western Bulldogs
- Nathan Brown (Australian footballer, born 1988), former player for Collingwood and St Kilda