Combs has never married but is the biological father of five children and one through association.

His on again off again girlfriend Kimberly Porter has a son Quincy Jones Brown (December 1991) with 80s New Jack Swing romantic singer/producer Al B Sure, whom Combs later claimed. Quincy was featured on My Super Sweet 16. Combs's first biological child was Justin Dior Combs (December 1993), his son from a relationship with high school sweetheart, designer Misa Hylton-Brim. His second child is son Christian Casey Combs (April 1998) with Kim Porter. Porter also had Combs' twin daughters, D'Lila Star Combs and Jessie James Combs, in December 2006. In July 2007 Combs and Porter ended their relationship. In October 2007 Combs took legal responsibility for Chance, his daughter with Sarah Chapman.

On October 13, 2006 Combs was given the key to the city of Chicago, and was awarded Combs with a pair of cufflinks to commemorate the inauguration of an annual October 13 "Diddy Day"