In April 1990, Hawk married Cindy Dunbar, whom he began dating in high school. Their son, Riley Hawk, was born on December 6, 1992, and was named after one of Hawk's ancestors. Riley is also a professional skateboarder and is sponsored by Lakai Limited Footwear and Baker Skateboards. The couple divorced in 1993.
Hawk married Erin Lee in 1996 and they have two sons, Spencer (born March 26, 1999) and Keegan (born July 18, 2001). Lee and Hawk divorced in 2004.
Hawk married Lhotse Merriam on January 12, 2006, on the island of Tavarua, Fiji. Rancid played for them as the wedding's band. The couple's only child, a daughter named Kadence Clover Hawk, was born on June 30, 2008. The couple announced their divorce on February 7, 2011.
As of May 2014, the Hawk family home is located in Encinitas, California, where Riley Hawk was presented with his first signature model skateboard. Hawk announced the news to his son, and the owner of Baker Skateboards, Andrew Reynolds, was also present. Riley is also a member of the "Shep Dawgs" crew.
Hawk married his fourth wife, Kathy Goodman, on June 28, 2015, at a ceremony in Limerick, Ireland