"Ex's & Oh's" is the debut single by American singer and songwriter Elle King for her debut studio album, Love Stuff (2015). It was released September 23, 2014 as the album's lead single via RCA Records. The song achieved success in the rock genre, peaking at number 1 on the Billboard Hot Rock Songs chart, and later crossed over to adult pop radio. In June 2015, "Ex's & Oh's" was certified Gold by Music Canada. "Ex's & Oh's" reached the top of the Alternative Songs chart in September 2015, becoming only the second song by a solo female to reach the top since 1996 after Lorde achieved the feat in 2013 with "Royals". The song also became King's first top-10 hit on the Billboard Hot 100.
"Ex's & Oh's" received two nominations at the 58th Grammy Awards: Best Rock Performance and Best Rock Song.