Places beginning with SA in Iowa, United States
- Sabula
- Sac City
- Sac City Junction (historical)
- Sac County
- Sac, Township of
- Sageville
- Saint Ansgar
- Saint Ansgar, Township of
- Saint Anthony
- Saint Benedict
- Saint Charles
- Saint Charles, Township of
- Saint Clair, Township of
- Saint Clair, Township of
- Saint Donatus
- Saint Johns, Township of
- Saint Joseph
- Saint Lucas
- Saint Marys
- Saint Marys, Township of
- Saint Olaf
- Saint Paul
- Saint Sebald
- Salem
- Salem, Township of
- Salina
- Salix
- Salt Creek, Township of
- Salt Creek, Township of
- Samoa
- Sanborn
- Sand Bar Beach Resort and Trailer Court
- Sand Creek, Township of
- Sand Springs
- Sandusky
- Sandusky Mobile Home Villa
- Sandyville
- Santiago
- Saratoga
- Saratoga, Township of
- Sattre
- Saude
- Savannah
- Sawyer
- Saxon
- Saylor
- Saylor Station
- Saylor, Township of
- Saylorville
- Saylorville Reservoir, Unorganized Territory of