"Mr. Lonely" is a song co-written and recorded by Bobby Vinton. The song was first released on Vinton's 1962 album Roses Are Red.
Vinton began writing the song while serving in the Army. The song describes a soldier who is sent overseas and has no communication with his home. The singer laments his condition and wishes for someone to talk with. The single of Vinton's recording was released just as the Vietnam War was escalating and many soldiers were experiencing a similar situation. Vinton and Gene Allan later re-teamed to compose "Coming Home Soldier", which reached No. 11 on the Billboard Hot 100 in January 1967.
Vinton's recording was included on his Greatest Hits album during autumn of 1964 and was concurrently issued as a single. The song spent 15 weeks on the Billboard Hot 100, reaching No. 1 on December 12, 1964, while reaching No. 3 on Billboard's Middle-Road Singles chart. In Canada, the song reached No. 1 on RPM's "Top 40 & 5" chart, while reaching No. 5 on the CHUM Hit Parade. The song also reached No. 2 on New Zealand's "Lever Hit Parade", No. 8 in Australia, No. 24 in Flemish Belgium, and entered into the top 3 in South Africa.