oldest. The schools have met 111 times since 1899, including three times in playoff matches.
On June 3, 2013, it was announced that the Blue Jays would join the Big Ten Conference for men's lacrosse when that league begins sponsoring the sport in the 2015 season (2014–15 school year).
=== Women's lacrosse ===
The women's team is a member of the Big Ten Conference and a former member of the American Lacrosse Conference (ALC). The Lady Blue Jays were ranked number 18 in the 2015 Inside Lacrosse Women's DI Media Poll. They ranked number 8 in the 2007 Intercollegiate Women's Lacrosse Coaches Association (IWLCA) Poll Division I. The team finished the 2012 season with a 9–9 record and finished the 2013 season with a 10–7 record. They finished the 2014 season 15–5. On June 17, 2015, it was announced that the Blue Jays would join the Big Ten Conference for women's lacrosse in the 2017 season (2016–17 school year).
=== Other teams ===
Hopkins has notable Division III Athletic teams. JHU Men's Swimming won three consecutive …
