Tunanmarca,[1][2][3][4][5] Tunan Marca[1] or Siquillapucara[1] is an archaeological site in Peru.

It is located in the Junín Region, Jauja Province, Tunan Marca District.

The site was declared a National Cultural Heritage by Resolución Directoral Nacional No.

[1] On 26 Nov 2013 the Central Reserve Bank of Peru issued 10,000 new 1 Nuevo Sol coin featuring Tunanmarca buildings and including the engraving 1 NUEVO SOL TUNANMARCA S. XIII - XVI d.c..[6] The coin was part of a series named the Wealth and Pride of Peru Series.

This article relating to archaeology in Peru is a stub.