Osvaldo Ramón López (born 4 September 1971) is an Argentine lawyer and politician, who was a National Senator for Tierra del Fuego from 2011 to 2013.

[2] From 2003 to 2008, López served as a legislative aide in the Legislature of Tierra del Fuego for José Carlos Martínez, then a member of ARI.

[4] In December 2008, ARI legislator Roberto Crocianelli resigned from his seat to be appointed minister of economy in the provincial government, and López took office in his place.

[10] He additionally introduced bills to legalise and regulate prostitution, reformulate the maternity and paternity leaves system, and reduce working hours.

[11][12] He also continued Martínez's initiative to create a "Southern Maritime Corridor" to connect Tierra del Fuego island to the Argentine mainland.

[15] In 2019, he ran for a seat in the Argentine Chamber of Deputies as the second candidate in the Vamos Todos a Vivir Mejor ("Let's All Live Better") list, behind Mabel Caparrós.