General Madariaga Partido () (also known as General Juan Madariaga Partido) is a partido located on the Atlantic coast of Buenos Aires Province in Argentina.
This provincial subdivision had a population of about 22,600 inhabitants in 2022. The area is .
The economy of General Madariaga Partido is concentrated around agricultural production, although in the summer vacation season (DecemberâÂÂFebruary) tourism offers a valuable addition to the economy.