Luke Mitchell (born 17 April 1985) is an Australian actor and model. He attended the Film and Television Studio International, and won the role of Chris Knight in Neighbours in 2008. Mitchell appeared as Will in the third season of H2O: Just Add Water in 2009. He starred as Romeo Smith in Home and Away from 2009 to 2013. The role saw Mitchell win the Most Popular New Male Talent Logie Award in 2010.

In 2013 he starred as John Young in the CW's The Tomorrow People. In 2015, he joined the cast of Agents of S.H.I.E.L.D. for the series' second season, playing the recurring character of Inhuman Lincoln Campbell, before being promoted to series regular for its third season. He joined NBC's Blindspot as a series regular during its second season in 2016, playing Roman.