Tarapacá (Hispanicized spelling) or Tara Paka (Aymara for "two-headed eagle", Quechua for Andean eagle) may refer to:
- San Lorenzo de Tarapacá, a town in northern Chile
- Tarapacá Province, Chile, a former province, now divided into
- Tarapacá Department (Peru), a former department of Peru
- Tarapacá Province (Peru), a former province of Peru, before the War of the Pacific
- Tarapacá, Amazonas, municipality in the Amazonas Department, Colombia
- Tara Paka or Qachini, a mountain in Peru