Maci Nicole Wainwright (born January 8, 1990) is an American pop/rock singer-songwriter from Edmond, Oklahoma. She has opened for several country musicians, including Sammy Kershaw, Lorrie Morgan, Highway 101, Wade Hayes, Jim Ed Brown, Helen Cornelius, and Gene Watson. She has played at the Rodeo Opry. Wainwright won a "Branson Idol" contest in 2004.
Wainwright recorded the theme song for News9. She was a featured artist for the 4th of July celebration for Oklahoma City in 2006. In 2007, she was the headliner for the Oklahoma City Marathon finish line concert.
Wainwright is currently living in Nashville, TN.