Places beginning with BA in Iowa, United States
- Baculis Mobile Home Park
- Badger
- Badger, Township of
- Bagley
- Bailey
- Baird
- Baker, Township of
- Baker, Township of
- Baker, Township of
- Baldwin
- Balfour
- Bali Hai Estates Mobile Home Park
- Balltown
- Ballyclough
- Baltimore (historical)
- Baltimore, Township of
- Bancroft
- Bangor
- Bangor, Township of
- Bankston
- Banks, Township of
- Banner, Township of
- Barclay, Township of
- Bard
- Bar-Jac Mobile Estates
- Barnes City
- Barnes, Township of
- Barney
- Barnum
- Barrell
- Bartlett
- Barton, Township of
- Bassett
- Batavia
- Bath, Township of
- Battle Creek
- Battle, Township of
- Bauer
- Baxter
- Bayard