Manta is a surname. Notable people with the surname include:
- Alexandru Manta (born 1977), Romanian rugby union player
- Karina Manta (born 1996), American ice dancer
- João Abel Manta (born 1928), Portuguese architect, painter, illustrator and cartoonist
- Lorenzo Manta (born 1974), Swiss tennis player
- Paul Manta (born 1943), Romanian footballer