Steve C. Tanner is an American politician and former programmer who is currently serving as a Republican member of the Idaho House of Representatives from District 13B. He was first elected in 2024 unopposed.
Tanner was born in Honolulu and currently lives in Nampa. He graduated with a Bachelor of Arts in philosophy from California State University.
Tanner was a co-sponsor of House Bill 472, which prevents businesses and government entities from denying service if someone refuses medical care, such as vaccines, for a medical condition.
Tanner sponsored a bill in 2025 to document the immigration status of students in Idaho.