- Algonquin Indians1
- Aliceville First Baptist Church (Aliceville, Ala)1
- Alienation (Social psychology)13
- All Saints Episcopal Church (Safford, Ariz)1
- All Souls Church (Washington, DC)1
- Allan, James M, 1814-18851
- Allan, William T, 1810-18821
- Allen Temple Baptist Church (Oakland, Calif)2
- Allen, Diogenes, 1932-20131
- Allen, Richard, 1760-18311
- Allen, Roland, 1869-19471
- Allerton Southern Baptist Church (Allerton, Iowa)1
- Alpha Community Church (Washington, DC)1
- Altars1
- Alton Baptist Church (Lawrenceburg, Ky)1
- Altruism1
- Alzheimer's disease9
- Ambiguity1
- Amelia Baptist Church (Fernandina Beach, Fla)1
- American Association for Marriage and Family Therapy1