Joe M. Seng (born September 27, 1946) is the Iowa State Senator from the 43rd District. A Democrat, he has served in the Iowa Senate since 2003. He received a DVM from Iowa State University and works as a veterinarian in Davenport, running a veterinary clinic for low income families.As of October 2011, Seng serves on several committees in the Iowa Senate - the Commerce, Ethics, and Natural Resources and Environment committees.