The acronym PPAC may refer to:

• Providence Performing Arts Center, multi-use theatre in Providence, Rhode Island
• People With Parkinson's Advisory Council, a committee of people with Parkinson's Disease
• Pasquerilla Performing Arts Center, a multipurpose facility at the University of Pittsburgh at Johnstown
• Philipsburgh Performing Arts Center, former name of the Philipsburgh Building in Yonkers, New York.
• Patent Protection Association of China, a Chinese intellectual property rights organization

• Naval Ammunition Depot Iona Island
• Naval Ammunition Depot, Oahu, Hawaii
• Naval Amphibious Base Little Creek
• Naval Amphibious Training Base Fort Pierce
• Naval and Military Order of the Spanish War
• Naval Annual
• Naval Artillery and Torpedoes Division (Royal Navy)
• Naval artillery magazine
• Naval artillery magazines
• Naval Assistant to the First Sea Lord
• Naval Auxiliary Air Facility Casco Bay
• Naval Auxiliary Air Station Brown Field
• Naval Aviation Command
• Naval Aviation Command (disambiguation)
• Naval Aviation Weapons Facility Machrihanish
• Naval Bakery
• Naval Bank, Plymouth
• Naval base at Sembawang
• Naval Base Commander Devonport
• Naval Base Commander Rosyth
• Naval Base Kitsap-Bangor
• Naval Bases and Supply Agency
• Naval Base Sevastopol
• Naval Base Simonstown
• Naval Base Simons Town