Nicholas Hamilton (born 4 May 2000) is an Australian actor. He first attracted industry attention with a lead role in the 2013 short film Time, for which he received a Best Male Actor Award at the Tropfest Short Film Festival. His breakout role arrived in 2017 as psychopathic bully Henry Bowers in It: Chapter One, based on the acclaimed Stephen King novel.

Other credits to date include guest leads in Wanted and Mako Mermaids and the short films Letter to Annabelle, Jack Rabbit, The Boy Who Stole the Belltower and Gifted.

He is represented by WME, 3 Arts, and Catherine Poulton in Australia.