Ilunda is an administrative ward in the Kongwa district of the Singida Region of Tanzania. According to the 2002 census, the ward has a total population of 19,465.

Eustaquio Ilundáin y Esteban was a Cardinal of the Roman Catholic Church who served as Archbishop of Seville. Eustaquio Ilundáin y Esteban was born in Pamplona, Spain. He was educated at the Seminary of Pamplona, and the Seminary of Ciudad Real.