Anthony Francis Malarczyk (born 21 July 1975) is a Welsh racing cyclist, from Newport, Wales, who competed in the Time Trial and Road Race at the 1998 Commonwealth Games in Kuala Lumpur and the 2002 Commonwealth Games in Manchester, England.

Malarczyk was assaulted whilst out training in 2000, after a driver, who had overtaken him, stopped the car and then pulled Malarczyk off his bike. He was awarded compensation in 2003.