"Not Over You" is a song by American recording artist Gavin DeGraw, released as the lead single from his fourth studio album, Sweeter, on May 17, 2011. The song was written by DeGraw and Ryan Tedder, and produced by Tedder. The song poignantly evokes the difficulty of getting over someone. It received a positive critical appreciation. The song has charted on the United States's Billboard chart and also in many European territories. It peaked at No. 18 on the Hot 100, making it DeGraw's most successful song on the chart since his breakout hit "I Don't Want to Be", becoming his fourth Top 40 hit. It is also his first song to reach the top spot on the Adult Pop Songs. The accompanying music video shows DeGraw coping with a heartbreak after a tough split with his lover, but he finds it hard to let her go.