Legg may refer to:
People:
- Adrian Legg, English guitar player
- Andy Legg (born 1966), Welsh footballer
- Barry Legg (born 1949), British former Member of Parliament
- Harold Legg, fictional character on the soap opera Eastenders
- John Legg (born 1975), American educator and politician
- John Legg (footballer), New Zealand footballer
- John Wickham Legg (1843-1921), English medical doctor and theologian
- Stuart Legg (1910-1988), British documentary film-maker
- Thomas Legg (born 1935), British former senior civil servant
Places:
- 12075 Legg, an asteroid
- Legg, County Fermanagh, a townland in County Fermanagh, Northern Ireland