Ernesto Arturo Sinclair Chávez (born March 10, 1989) is a Panamanian footballer.
Sinclair moved to Chile with his parents when only 11 years, then played with Argentinian side Estudiantes and in the summer 2008 he returned to Chile, where he played in the Colo-Colo and Magallanes youth teams, to play on loan for Palestino.
He only returned to Panama to join Sporting San Miguelito from English lower league outfit Arlesey Town, then Alianza and later moved to Independiente.
He made his debut for Panama on 27 January 2019 in a friendly against the United States, as a starter.