Thirlby (surname)

Thirlby is a surname. Notable people with the surname include:


 * Jess Thirlby (born 1979), English netball player and coach
 * Olivia Thirlby (born 1986), American screen actress
 * Rob Thirlby (born 1979), Cornish rugby union footballer
 * Thomas Thirlby (c. 1500–1570), English bishop