John N. Wozniak (born March 21, 1956) is a Democratic politician. He served as a Pennsylvania State Senator from the 35th district from 1997 to 2016. Prior to that, he served as a member of the Pennsylvania House of Representatives from the 71st district from 1981 to 1996. Wozniak was elected to the Pennsylvania House of Representatives in 1980, where he served until his election to the Senate of Pennsylvania in 1996. Three months before the 2016 election, Wozniak announced his retirement, saying he wanted to spend time with his family while he still had time to do so.