PA Physician Assistant
PA Public Address
PA Pennsylvania (US postal abbreviation)
PA Purchasing Agent
PA Port Angeles (Washington)
PA Public Affairs
PA Para (Brazil)
PA Pará (Brazilian state)
PA Public Address system
PA Princess Anne (high school in Virginia Beach, Virginia)
PA Public Administration
PA Port Authority (of NY and NJ)
PA Press Association (British National News Agency)
PA Program Administrator
PA Public Assistance
PA Professional Association
PA Point A
PA Parents Association
PA Physical Activity (health)
PA Program Announcement
PA Panama
PA Pay Attention
PA Privacy Act
PA Public Accounting
PA Points Against
PA Power of Attorney