Ituzaingó (Spanish pronunciation: [itusajŋˈɡo]) is the capital of the Ituzaingó Partido in the Greater Buenos Aires metropolitan area, Argentina, west of Buenos Aires.

Buildings of more than three stories were until recently prohibited, and most houses are only one story high The shopping area near the train station connecting the city with Buenos Aires City (Downtown) is located surrounding a square, opposite the church, where concerts, cultural events and fairs are held on weekends and holidays.

It has 38.51 km2 (14.87 sq mi) of French-style chalets, quiet streets and leafy trees, which coexist in all neighborhoods of the city.

It stands out as the neighborhood of Parque Leloir, one of the largest protected ecological zones of the province, and is also known to be a quiet residential neighborhood with huge houses and the home of many celebrities.

Club Atlético Ituzaingó is the local professional team.