Marcela Kloosterboer (born July 5, 1983 in Vicente López, Argentina) is an Argentine actress and occasional singer and businesswoman.

In 1998, as Josefina Vidal, she was part of the successful television series Verano del '98 issued by Telefe.

The following year, in 1999, Cris Morena summons her to be the youth protagonist of the fifth season of the successful television series Chiquititas.

In 2011, together with Marco Antonio Caponi, she co-starred Herederos de una venganza issued by Canal 13.

In 2013 she made a special participation, with an antagonistic role in the successful television series Los Vecinos en Guerra issued by Telefe.

On March 22, 2016, the actress gave birth to their daughter, Juana Sieling at La Trinidad Sanatorium, in Palermo.