| 1965 | ||
|---|---|---|
| SECTIONALS | ||
| SITE | WINNER | CLASS |
| Adams Central | Adams Central | |
| Anderson | Anderson | |
| Angola | Lakeland | |
| Bedford | Orleans | |
| Bluffton | Ossian | |
| Boonville | Boonville | |
| Brazil | Spencer | |
| Brownsburg | Cascade | |
| Carmel | Tipton | |
| Cayuga | North Vermillion | |
| Chesterton | Valparaiso | |
| Columbus | Columbus | |
| Connersville | Brookville | |
| Covington | Williamsport | |
| Crawfordsville | Crawfordsville | |
| East Chicago | East Chicago Washington | |
| Elkhart | Penn | |
| Evansville | Evansville Central | |
| Fort Wayne | Fort Wayne North | |
| Frankfort | Frankfort | |
| Gary | Gary Roosevelt | |
| Greencastle | Cloverdale | |
| Greensburg | North Vernon | |
| Hammond | Hammond | |
| Huntingburg | Springs Valley | |
| Huntington | Huntington | |
| Indianapolis | Ben Davis | |
| Jeffersonville | Providence | |
| Kendallville | Garrett | |
| Kentland | Kentland | |
| Kokomo | Kokomo | |
| Lafayette Jeff | Lafayette Jeff | |
| Lawrenceburg | Aurora | |
| Logansport | Logansport | |
| Madison | Madison | |
| Manchester | Manchester | |
| Marion | Marion | |
| Martinsville | Bloomington | |
| Michigan City Elston | Michigan City Elston | |
| Milan | Jac-Cen-Del | |
| Monon | Wheatfield | |
| Muncie | Muncie South | |
| New Castle | New Castle | |
| Plymouth | Triton | |
| Portland | Montpelier | |
| Princeton | Princeton | |
| Richmond | Hagerstown | |
| Rushville | Rushville | |
| Salem | Morgan Twp. (Harrison Co.) | |
| Seymour | Seymour | |
| South Bend | South Bend Washington | |
| Southport | Indianapolis Washington | |
| Sullivan | Sullivan | |
| Switz City | Bloomfield | |
| Tell City | Chrisney | |
| Terre Haute | Terre Haute State | |
| Vincennes Lincoln | Vincennes Lincoln | |
| Warsaw | Warsaw | |
| Washington | Washington | |
| Whiteland | Greenwood | |
| Winamac | Winamac | |
| Winchester | Monroe Central | |
| Wolcott | Otterbein | |
| Zionsville | Speedway | |
| REGIONALS | ||
| SITE | WINNER | CLASS |
| Columbus | Columbus | |
| Connersville | Brookville | |
| Covington | Cloverdale | |
| East Chicago | Gary Roosevelt | |
| Elkhart | South Bend Washington | |
| Evansville | Princeton | |
| Fort Wayne | Fort Wayne North | |
| Huntingburg | Bloomfield | |
| Indianapolis | Indianapolis Washington | |
| Jeffersonville | Seymour | |
| Kokomo | Kokomo | |
| Lafayette Jeff | Lafayette Jeff | |
| Logansport | Triton | |
| Marion | Marion | |
| New Castle | Muncie South | |
| Terre Haute | Bloomington | |
| SEMISTATES | ||
| SITE | WINNER | CLASS |
| Evansville | Princeton | |
| Fort Wayne | Fort Wayne North | |
| Indianapolis | Indianapolis Washington | |
| West Lafayette | Gary Roosevelt | |
| STATE | ||
| SITE | WINNER | CLASS |
| Butler Fieldhouse | Indianapolis Washington | |