Frederico Fernando Essenfelder (Buenos Aires, June 23, 1891 - Curitiba, February 27, 1952), also known as Fritz Essenfelder, was an Argentine football player who settled in Brazil.
Essenfelder played as a midfielder between 1909 and 1917.
He was also the founder of the Coritiba Foot Ball Club, which he established in 1909.