Susana López Charretón (born on 19 June 1957 in Mexico City) is a Mexican virologist specialized in rotaviri. She was a co-recipient (along her husband, Carlos Arias Ortiz) of both the 2001 Carlos J. Finlay Prize for Microbiology and the 2008 TWAS Prize in Biology.On 2012, she also received the L'Oréal-UNESCO Award for Women in Science – Latin America "for identifying how rotaviruses cause the death of 600,000 children each year".