List of storms named Guillermo

The name Guillermo has been used for eight tropical cyclones in the Eastern Pacific Ocean.
 * Hurricane Guillermo (1979)
 * Tropical Storm Guillermo (1985)
 * Hurricane Guillermo (1991)
 * Hurricane Guillermo (1997)
 * Tropical Storm Guillermo (2003)
 * Hurricane Guillermo (2009)
 * Hurricane Guillermo (2015)
 * Tropical Storm Guillermo (2021)