| Long Lost Friend | |
| Cover: | Restless Heart - Long Lost Friend single.png |
| Type: | single |
| Artist: | Restless Heart |
| Album: | Fast Movin' Train |
| B-Side: | "I've Never Been So Sure"[1] |
| Released: | January 7, 1991 |
| Genre: | Country |
| Length: | 3:53 |
| Label: | RCA Nashville |
| Producer: | Tim DuBois Scott Hendricks Restless Heart |
| Prev Title: | When Somebody Loves You |
| Prev Year: | 1990 |
| Next Title: | You Can Depend on Me |
| Next Year: | 1991 |
"Long Lost Friend" is a song recorded by American country music group Restless Heart. It was released in January 1991 as the fourth and final single from the album Fast Movin' Train. The song reached number 16 on the Billboard Hot Country Singles & Tracks chart. It also peaked at number 6 on the Canadian RPM Country Tracks. The band's lead singer, Larry Stewart, wrote it with Steve Bogard and Dave Robbins.