Leonel Juan Daniel Bontempo (born 1 November 1992) is an Argentine footballer who plays as a left-back for Uruguayan Primera División club Montevideo Wanderers.

Born in Buenos Aires, Bontempo played youth football for Quilmes.

He made his first team – and Primera División – debut on 4 August 2013, starting in a 0–2 away loss against Rosario Central.

[1] Bontempo already became a regular starter for the club during his first professional campaign, contributing with 18 matches.

[2] However, nothing came of it and he signed for Spanish Segunda División B club Racing de Santander on 20 September.