Ross Caldwell was an Indianapolis architect active in the mid 20th century. He designed three buildings in Bloomington:
- Willow Terrace Apartments, 1927, 702 E. Second St.
- Washington Terrace Apartments, 1929, 316 N. Washington Street
- Graham Hotel, 1928, 205 N. College Ave.
- News of the Week,Indiana Construction Recorder,Volume IX Number 45,1928-02-04