Martin Kemp has two dogs. One is a toy poodle named Popsy, who he treats like his own children. The other is a rescue dog named Iris, who was saved from the meat trade in China. Iris is a toy poodle as well.

Martin Kemp appeared on a celebrity special of Who Wants to Be a Millionaire? in January 2008 with his brother Gary. Kemp starred in the short-lived crime drama series Family in 2003.

In April 2021, Kemp and his son Roman Kemp began presenting Martin & Roman’s Weekend Best; a spin-off of Martin & Roman’s Sunday Best! From 2004 to 2007, Martin Kemp was the face of the furniture chain ScS.

In November 2019, Kemp and his wife released their first album together as Martin & Shirlie, titled In the Swing of It via Sony Music. In February 2021, Kemp appeared in McDonald & Dodds.

In June 2020, Martin Kemp, with his son Roman premiered as hosts of the new Sunday breakfast programme for ITV, Martin & Roman’s Sunday Best!