| Why Have You Left the One You Left Me For | |
| Cover: | Why_Have_You_Left_the_One_You_Left_Me_For_-_Crystal_Gayle.jpg |
| Type: | single |
| Artist: | Crystal Gayle |
| Album: | When I Dream |
| B-Side: | Cry Me a River |
| Released: | December 2, 1978 |
| Genre: | Country |
| Length: | 2:52 |
| Label: | United Artists |
| Producer: | Allen Reynolds |
| Prev Title: | Talking in Your Sleep |
| Prev Year: | 1978 |
| Next Title: | When I Dream |
| Next Year: | 1979 |
"Why Have You Left the One You Left Me For" is a song written by Mark True, and recorded by American country music artist Crystal Gayle. It was released in October 1978 as the second single from the album When I Dream. The song was Gayle's sixth number one on the country chart. The single stayed at number one for two weeks (Jan. 26 & Feb. 3, 1979) and spent a total of ten weeks on the country chart.[1]
| Chart (1978–1979) | Peak position | |
|---|---|---|
| U.S. Billboard Easy Listening[2] | 22 | |
| Canadian RPM Country Tracks | 1 | |
| Canadian RPM Adult Contemporary [3] | 16 |
. The Billboard Book Of Top 40 Country Hits: 1944-2006, Second edition. Joel Whitburn . 2004 . Record Research . 131.
. Top Adult Contemporary: 1961-2001. Joel Whitburn . 2002 . Record Research . 100.