- Revealed in his memoir, Don't Mind If I Do, that he lost his virginity to his stepmother at age 12.
- Known for dating a variety of high-profile women, including presidential daughter Lynda Bird Johnson.
- His close friendship with the Philippines' first lady Imelda Marcos led to legal issues when she was accused of stealing from her country.
- Made his Broadway debut playing Billy Flynn in Chicago in 2001.
- Reportedly was seriously considered to replace Bob Barker following his retirement as host of The Price Is Right.
- Marketed a skin-care system and tanning salons to cash in on his legendarily bronzed skin.
- 1960, Golden Globe — New Star of the Year - Actor: Winner
- 1980, Golden Globe — Best Performance by an Actor in a Motion Picture - Musical or Comedy: Nominee
- 1963, BAFTA Film Awards — Best Foreign Actor: Nominee
- 1961, BAFTA Film Awards — Best Foreign Actor: Nominee
- 1982, Golden Globe — Best Performance by an Actor in a Motion Picture - Musical or Comedy: Nominee
- Liz Treadwell — Ex-significant Other
- Denice D. Lewis — Ex-significant Other
- David Hamilton — Brother
- Barbara Sturm — Significant Other
- June Howard — Stepmother
- George "Spike" Hamilton — Father
- Alana Stewart — Ex-wife
- Ashley Hamilton — Son
- Kimberly Blackford — Ex-significant Other
- George Hamilton Jr. — Son
- Anne Stevens — Mother
- Bill — Half Brother
- Danielle Steel — Ex-significant Other