These are the Billboard adult contemporary chart number-one hits of 1968. The chart was known as Easy Listening during this year.
| Issue Date | Song | Artist |
|---|---|---|
| January 6 | "Chattanooga Choo Choo" | Harpers Bizarre |
| January 13 | ||
| January 20 | "In the Misty Moonlight" | Dean Martin |
| January 27 | ||
| February 3 | "Am I That Easy to Forget" | Engelbert Humperdinck |
| February 10 | "The Lesson" | Vikki Carr |
| February 17 | "Love Is Blue" | Paul Mauriat |
| February 24 | ||
| March 2 | ||
| March 9 | ||
| March 16 | ||
| March 23 | ||
| March 30 | ||
| April 6 | ||
| April 13 | ||
| April 20 | ||
| April 27 | ||
| May 4 | "Honey" | Bobby Goldsboro |
| May 11 | ||
| May 18 | "The Good, the Bad and the Ugly" | Hugo Montenegro |
| May 25 | ||
| June 1 | ||
| June 8 | "This Guy's in Love with You" | Herb Alpert |
| June 15 | ||
| June 22 | ||
| June 29 | ||
| July 6 | ||
| July 13 | ||
| July 20 | ||
| July 27 | ||
| August 3 | ||
| August 10 | ||
| August 17 | "Classical Gas" | Mason Williams |
| August 24 | ||
| August 31 | ||
| September 7 | "The Fool on the Hill" | Sérgio Mendes & Brasil '66 |
| September 14 | ||
| September 21 | ||
| September 28 | ||
| October 5 | ||
| October 12 | ||
| October 19 | "My Special Angel" | The Vogues |
| October 26 | ||
| November 2 | "Those Were the Days" | Mary Hopkin |
| November 9 | ||
| November 16 | ||
| November 23 | ||
| November 30 | ||
| December 7 | ||
| December 14 | "Wichita Lineman" | Glen Campbell |
| December 21 | ||
| December 28 |
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