Antti is a Finnish masculine given name derived from the Greek name Andreas. In Estonia, the variant Anti is more common. It is uncommon as a surname. People with the name include:
Antti Autti (born 1985), Finnish snowboarder
Antti Juntumaa (born 1959), Finnish boxer
Antti Hyyrynen (born 1980), Finnish musician
Antti Kalliomäki (born 1947), Finnish athlete and Minister of Education
Antti Kasvio (born 1973), Finnish swimmer
Antti Laaksonen (born 1973), Finnish ice hockey player
Antti Niemi (footballer) (born 1972), Finnish football goalkeeper
Antti Niemi (ice hockey) (born 1983), Finnish ice hockey goalkeeper
Antti Miettinen (born 1980), Finnish ice hockey player
Antti Muurinen (born 1954), Finnish football coach
Antti Ojanperä (born 1983), Finnish footballer
Antti Okkonen (born 1982), Finnish footballer
Antti Pohja (born 1977), Finnish footballer
Antti Raanta (born 1989), Finnish ice hockey goalkeeper
Antti Reini (born 1964), Finnish actor
Antti Sarpila (born 1964), Finnish swing/jazz musician
Antti Sumiala (born 1974), Finnish footballer
Antti Uimaniemi (born 1986), Finnish footballer
Antti Viskari (born 1928), Finnish marathon runner
Gerda Antti, Swedish writer