He has married four times till date. First he got married to Doorn Van Steyn in 1946, when he was 19 years old. She was his Royal Academy classmate and his girlfriend too. She was an actress and ice skater. She was six years older than him. They lived with her family and their marriage was going through several ups and downs. On March 1, 1953, they called off their relationship and got divorced.
In 1952, he met Dorothy Squiresat one of Dorothy lavish parties at her mansion in Wansunt Road for the first time. She was a Welsh vocalist. He was 12 years younger than her. The couple got married on 6 July 1953 in New Jersey. Afterwards in 1954, they moved to United States to develop their career. Due to age differences and Moore extra marital affair became main reason of their dispute. He left her and moved to Luisa Mattioli in 1961. The couple got divorced on 25 November 1968 after long time of their separation.
Luisa Mattioli and he started living together in 1961 but they unable to get married because Squires did not granted divorced to him. The couple got married on 11 April 1969. She is an Italian actress. They had three children together. They separated in 1993 after he began his relationship to Kristina Tholstrup. She granted him divorced in 2000. Afterwards he got married to Kristina Tholstrup on 10 March 2002. She is Danish socialite. They are still together. His net worth is 90 million dollars.