William Fink (born May 5, 1955) is a former Iowa state senator. He also taught social studies for 36 years at before retiring in 2015. Fink grew up in Ringsted, Iowa, and graduated from high school there in 1973. He then spent four years in Ames, Iowa, attending Iowa State University, graduating in 1977 with a B.S. in political science while also earning a teaching certificate. Following college, he became an intern within the Iowa Senate and began teaching social studies. He later earned an M.S.E. in education from Drake University in 1984. Fink is a Lutheran.