Loreto is an interchange subway station serving Lines 1 and 2 of the Milan Metro. The Line 1 station was opened on 1 November 1964 as part of the inaugural section of the Metro, between Sesto Marelli and Lotto. The Line 2 station was opened on 27 September 1969 as part of the section between Cascina Gobba and Caiazzo.

The station is located at Piazzale Loreto within the municipal area of Milan. It is a very busy station. This is an underground station, with two tracks in a single tunnel for Line 1 over two tracks in one tunnel for Line 2.