Johan Syrstad (3 February 1924 – 16 December 2019) was a Norwegian politician for the Centre Party.
He was born in Meldal Municipality as a son of Ivar Syrstad (1893–1973) and Johanna Syrstadeng (1898–1999).
As a Lutheran Christian he was a member of the local congregational council in Meldal from 1954 to 1973 and 1985 to 1988, chairing it from 1967 to 1973 and briefly in 1986.
He was also a national board member of the Norwegian Missionary Society from 1972 to 1978, later leader of its protocol committee from 1990 to 1993.
In the nationwide cooperative Norske Meieriers Salgssentral he became a board member in 1971, advanced to deputy chair in 1975 and chairman from 1978 to 1982.