Rodulfo del Valle, a.k.a., Don Fito,[3] (1871–1948) was Mayor of Ponce, Puerto Rico, from 1918 to 1920.

Del Valle worked for the autonomy of Puerto Rico from both Spain and, later, from the United States.

[3] As mayor of Ponce, he was a member of the Union of Puerto Rico Party.

[6] Del Valle married María Amelia Serra Gaztambide and had a son named Eduardo.

[3] In Ponce there is a street in Urbanizacion Las Delicias of Barrio Magueyes named after him.