"Heartache Tonight" is a song written by Don Henley, Glenn Frey, Bob Seger and J. D. Souther, and recorded by the Eagles. The track was included on their album The Long Run and released as a single in 1979. It reached #1 on the U.S. Billboard Hot 100 in November of that year. Although it remained in the top position for only one week, the single sold 1 million copies. It was the Eagles' final chart-topping song on the Hot 100.