Kevin Leahy may refer to:

• Kevin Leahy (musician) (born 1974), backing musician
• Kevin Leahy (Gaelic footballer), Gaelic football player for the Ballymun Kickhams
• Kevin Leahy (politician), member of the Western Australian Legislative Council
• Kevin Leahy, translator for the English Vampire Hunter D novel series

• 65th National Hockey League All-Star Game
• 65th New York Volunteer Infantry
• 65th NHK Kohaku Uta Gassen
• 65th (Norfolk Yeomanry) Anti-Tank Regiment, Royal Artillery
• 65th Rifle Division
• 65th Rifle Division (Soviet Union)
• 65th Scripps National Spelling Bee
• 65th Strategic Reconnaissance Wing
• 65th Strategic Squadron
• 65th Street (disambiguation)
• 65th Troop Carrier Wing
• 65th Wyoming State Legislature
• 65 UMa
• 65 Ursae Majoris
• 65 Windmill Street, Millers Point
• 65 (year)
• 6.5×47 mm
• 6.5×52mm
• 6.5×53mm Dutch
• 6.5×54mm
• 6.5×54mm Mannlicher-Schoenauer
• 6.5×54mm Mannlicher–Schonauer
• 6.5×55mm
• 6.5×55mm Swedish Mauser
• 6.5×55SE