Helmanis (feminine: Helmane) is a Latvian surname of German origin (from German surname Hellmann). Notable people with the surname include:
Krišs Helmanis (born 2002), Latvian basketball player Egils Helmanis (born 1971), Latvian politician Kristaps Helmanis (1848–1892), Latvian vaccinologist and microbiologist Uvis Helmanis (born 1972), Latvian basketball player
See also