| 1981 | ||
|---|---|---|
| SECTIONALS | ||
| SITE | WINNER | CLASS |
| Anderson | Anderson | |
| Bedford North Lawrence | Bedford North Lawrence | |
| Ben Davis | Pike | |
| Benton Central | Frontier | |
| Blackford | Blackford | |
| Boonville | South Spencer | |
| Brownsburg | Brownsburg | |
| Calumet | Highland | |
| Carmel | Noblesville | |
| Columbia City | Whitko | |
| Columbus North | Columbus North | |
| Connersville | Connersville | |
| DeKalb | DeKalb | |
| East Central | South Ripley | |
| East Chicago Washington | Whiting | |
| East Noble | Lakeland | |
| Elkhart Central | Elkhart Memorial | |
| Evansville Central | Evansville Central | |
| Floyd Central | Floyd Central | |
| Fort Wayne I | Fort Wayne Wayne | |
| Fort Wayne II | Fort Wayne Concordia | |
| Fountain Central | Fountain Central | |
| Frankfort | Rossville | |
| Franklin Central | Indianapolis Marshall | |
| Gary West | Gary Roosevelt | |
| Greencastle | Cloverdale | |
| Greenfield-Central | Eastern Hancock | |
| Greensburg | Greensburg | |
| Greenwood | Indian Creek | |
| Hammond | Andrean | |
| Huntington North | Homestead | |
| Indianapolis | Indianapolis Chatard | |
| Jay County | Jay County | |
| Jeffersonville | New Albany | |
| Kankakee Valley | Kankakee Valley | |
| Kokomo | Northwestern | |
| Lafayette Jeff | Harrison (West Lafayette) | |
| Lebanon | Western Boone | |
| Logansport | Lewis Cass | |
| Madison | Charlestown | |
| Marion | Marion | |
| Martinsville | Bloomington North | |
| Michigan City Rogers | Michigan City Rogers | |
| Muncie | Muncie South | |
| New Castle | Shenandoah | |
| North Judson | Oregon-Davis | |
| North Montgomery | McCutcheon | |
| Paoli | Crawford County | |
| Plymouth | Argos | |
| Princeton | Mount Vernon (Posey) | |
| Seymour | Brownstown Central | |
| Shelbyville | Shelbyville | |
| South Adams | Norwell | |
| South Bend Washington | South Bend Riley | |
| South Dearborn | Lawrenceburg | |
| South Vermillion | Brazil | |
| Southport | Indianapolis Howe | |
| Southridge | Jasper | |
| Switz City | Bloomfield | |
| Terre Haute South | Terre Haute South | |
| Triton | Warsaw | |
| Valparaiso | Valparaiso | |
| Vincennes Lincoln | Vincennes Lincoln | |
| Washington | Loogootee | |
| REGIONALS | ||
| SITE | WINNER | CLASS |
| Anderson | Anderson | |
| Columbus North | Columbus North | |
| Connersville | South Ripley | |
| Elkhart Central | Warsaw | |
| Evansville Central | Vincennes Lincoln | |
| Fort Wayne | Fort Wayne Wayne | |
| Frankfort | Brownsburg | |
| Gary West | Andrean | |
| Indianapolis | Indianapolis Howe | |
| Lafayette Jeff | Kankakee Valley | |
| Marion | Marion | |
| Michigan City Rogers | Valparaiso | |
| New Castle | Shenandoah | |
| Seymour | Floyd Central | |
| Washington | Loogootee | |
| West Vigo | Brazil | |
| SEMISTATES | ||
| SITE | WINNER | CLASS |
| Evansville | Vincennes Lincoln | |
| Fort Wayne | Warsaw | |
| Indianapolis | Shenandoah | |
| West Lafayette | Anderson | |
| STATE | ||
| SITE | WINNER | CLASS |
| Market Square Arena | Vincennes Lincoln | |