Luis Carlos Petcoff Naidenoff (born 13 July 1967) is an Argentine lawyer and politician.

Petcoff Naidenoff was elected as a Formosa city councillor in 1999 and headed the UCR caucus, serving until 2003.

He was the UCR candidate for Governor of Formosa in 2007, with Ana Elena Caligaris as his running mate; he lost to Gildo Insfrán.

He also appeared as a candidate for governor of Formosa in 2007 and 2015, losing both times against Gildo Insfrán, who has governed the province since 1995.

Since its assumption, it presented 262 Draft Law, in addition to numerous communication and declaration projects.