Dennis T. Sullivan
- Chief Engineer
- San Francisco Fire Department
- Age: 53
- Year of Death: 1906
Dennis T. Sullivan, late Chief Engineer of the San Francisco Fire Department, died on April 22, 1906, from injuries he sustained during the earthquake of April 18, 1906.
This firefighter line of duty fatality occurred before the National Fallen Firefighters Memorial was built in Emmitsburg, Maryland. While this firefighter has not been officially honored at the Memorial site, there are plans to do so when resources are available.