Marcelo Bosch (born January 7, 1984) is a former Argentine rugby union footballer.

His usual position was centre, but he could also play at fly half or full-back.

Bosch is part of the national squad that competes in the Rugby Championship.

Marcelo Bosch retired from rugby at the end of the 2018/2019 season, his last club being Saracens RFC.

This biographical article relating to Argentine rugby union is a stub.