Hjalmar Erik (Eero Hjalmar) Rydman (19 August 1889 – 15 June 1963) was a Finnish jurist and politician, born in Turku.
He was a member of the Parliament of Finland from 1927 to 1929 and from 1933 to 1936, representing the National Progressive Party.
After the National Progressive Party ceased to exist in 1951, Rydman joined the People's Party of Finland.
From 1937 to 1944, Rydman was the Director General of Kela.
Eero Rydman was the younger brother of Heikki Ritavuori and the uncle of Pekka Tarjanne.