Gillooly may refer to:

• Gillooly, West Virginia, an unincorporated community in Lewis County
• Laurence Gillooly, an Irish Roman Catholic clergyman who served as the Bishop of Elphin

• Old GreekTown (UTA station)
• Old Greek Town (UTA station)
• Old Greenbelt Theatre
• Old Greencastle Historic District
• Old Greenville (23WE637)
• Old Greenville City Hall, Greenville, South Carolina
• Old Greenwich (Metro-North station)
• Old Greenwich station (Connecticut)
• Old Greenwich station (Metro-North)
• Old Greyhound Bus Station (Jackson, Mississippi)
• Old Growth (New/Now)
• Old Growth (New Now)
• Old Guaranty Bank Building
• Old Guard (disambiguation)
• Old Guard (New York)
• Old Guard of the City of New York
• Old Guard (Russia)
• Old Guard State Fencibles
• Old Guard (United States)
• Old Guillotiere cemetery
• Old Guillotiere Cemetery
• Old Guillotière cemetery
• Old Guillotière Cemetery
• Old Guitarist
• Old Gujarati language