Juan Diego Botto Rota (born 29 August 1975) is an Argentine-Spanish film, stage and television actor.

Born in Argentina, he moved to Spain with his mother (the actress and acting coach Cristina Rota) in 1978. Following early film appearances as a child actor, he landed a breakthrough role in the 1995 film Stories from the Kronen. He has since starred in films such as Martín (Hache) (1997), Plenilune (2000), Broken Silence (2001), Obaba (2005), Go Away from Me (2006) and Ismael (2013). He has also worked as a stage director and playwright and debuted as a film director with the 2022 social drama thriller On the Fringe.