Lincoln Clay Lewis is an Australian actor. He is best known for his roles in the movie Tomorrow, When the War Began and in the television series Home and Away and Slide.

Tomorrow, When the War Began is a 2010 Australian action-adventure war drama film written and directed by Stuart Beattie and based on the 1993 novel of the same name by John Marsden. The film was produced by Andrew Mason and Michael Boughen. The story follows Ellie Linton, one of seven teenagers waging a guerrilla war against an invading foreign power in their fictional hometown of Wirrawee. The film stars Caitlin Stasey as Ellie Linton and features an ensemble cast including Rachel Hurd-Wood, Lincoln Lewis and Phoebe Tonkin. Production began in September 2009.