Indiana - Area of significance: Architecture
| Fountain City Historic District |
| Fountain County Clerk's Building |
| Fountain County Courthouse |
| Fountain Park Chautauqua |
| Fountain, William, House |
| Fowler, Moses, House |
| Fowler, Solomon, Mansion |
| Fowler Theatre |
| Francis Avenue Historic District |
| Frankfort Commercial Historic District |
| Franklin, Benjamin, Public School Number 36 |
| Franklin College Historic District |
| Franklin College Library (Shirk Hall) |
| Franklin College-Old Main |
| Franklin Commercial Historic District |
| Franklin County Seminary |
| Franklin Senior High School |
| Franklin Street Commercial Historic District |
| Franklin United Brethren Church, Old |
| Fraser & Isham Law Office |
| Frederick, Charles and Elletha, House |
| Free Church |
| French, Henry, House |
| French Lick Springs Hotel |
| Frost, Dr. Robert and Amelia, House |
| Fulton County Courthouse |
| Gaar, Abram, House and Farm |
| Gaar, Oliver P. and Mary Alice, House |
| Gant, William R., Farm |
| Garfield Drive Historic District |
| Garner, Job-Miller, Jacob W., House |
| Garrett Community Mausoleum |
| Garrett Historic District |
| Garrettson-Baine-Bartholomew House |
| Garwood, John and Cynthia, Farmstead |
| Gary Bathing Beach Aquatorium |
| Gary City Center Historic District |
| Gary Public Schools Memorial Auditorium |
| Gary Union Station |
| Gas City High School |
| Gaseteria, Inc. |
| Gaskill-Erwin Farm |
| Geiger, Fred, and Sons National Biscuit Company |
| Gemcraft-Wittmer Building |
| General Electric Fort Wayne Electric Works Historic District |
| General German Protestant Orphans Home |
| Geneva Downtown Commercial Historic District |
| Gennett, Henry and Alice, House |
| George Rogers Clark National Historical Park |
| Georgetown Historic District |
| German Bank |
| German Reformed Church |
| Gibson Company Building |
| Gibson County Courthouse |
| Gilson, Clinton D., Barn |
| Glencoe |
| Glendale Park Historic District |
| Glossbrenner, Alfred M., Mansion |
| Godfroy’s Addition Historic District |
| Golden Hill Historic District |
| Goodland-Grant Township Public Library |
| Goshen Historic Distriict |
| Gosport Historic District |
| Gowdy, John K., House |
| Graham, Robert C., House |
| Graham, William H. H., House |
| Gramelspacher-Gutzweiler House |
| Gramse, The |
| Grand Rapids and Indiana Railroad Depot |
| Grant County Jail and Sheriff's Residence |
| Grassyfork Fisheries Farm No. 1 |
| Green Block |
| Greenbush Cemetery |
| Greendale Historic District |
| Greenfield Courthouse Square Historic District |
| Greenfield Residential Historic District |
| Greenlawn Cemetery |
| Greensburg Carnegie Public Library |
| Greensburg Downtown Historic District |
| Greentown Commercial Historic District |
| Greenwood Commercial Historic District |
| Greenwood Elementary School |
| Greenwood Residential Historic District |
| Gregg Park |
| Greyhound Bus Terminal |
| Griffin, Cornish, Round Barn |
| Griffith E.J. and E. Interlocking Tower |
| Griffith State Bank |
| Grisamore House |
| Grose, Gen. William, House |
| Grouping of Religious Buildings at Trinity |
| Grover |
| Gruenewald House |
| Gump House |
| Guthrie, William B. & Laura, House |
| Haag, J.H., House |
| Hack and Simon Office Building |
| Hagemann, Frederick and Augusta, Farm |
| Hager House |
| Hagerman, William C. and Clara, House |
Data from United States Park Service and Wikidata
