A list of all cemeteries in Illinois, first by name, county and location. A great tool to help with cemeteries that have the same name within the state. Clicking on the cemetery name will provide you with a map to the location.
For additional Illinois Cemetery Listings please visit AccessGenealogy AHGP ALHN USGenWeb USGenWeb Archives
National Cemetery Database Cemetery Transcription Database
| Cemetery | County | Location |
| O’Brien Cemetery | Tazewell | Marquette Heights |
| O’Bryan Cemetery | Champaign | Tolono |
| O’Fallon Cemetery | St. Clair | O’Fallon |
| O’Hair Cemetery | Effingham | Grandview |
| O’Hair Cemetery | Edgar | Grandview |
| O’Neal Cemetery | Macoupin | Palmyra |
| Oak Cemetery | Williamson | Crab Orchard Lake |
| Oak Crest Cemetery | DuPage | Wheaton |
| Oak Dale Cemetery | Jefferson | Shields |
| Oak Grove Baptist Church Cemetery | Moultrie | Kirksville |
| Oak Grove Cemetery | Macoupin | Palmyra |
| Oak Grove Cemetery | McLean | Farmer City North |
| Oak Grove Cemetery | Montgomery | Butler |
| Oak Grove Cemetery | Montgomery | Nokomis |
| Oak Grove Cemetery | Rock Island | Port Byron |
| Oak Grove Cemetery | Sangamon | Loami |
| Oak Grove Cemetery | Shelby | Middlesworth |
| Oak Grove Cemetery | Washington | Nashville |
| Oak Grove Cemetery | Williamson | Crab Orchard Lake |
| Oak Grove Cemetery | Woodford | Danvers |
| Oak Grove Cemetery | Kendall | Yorkville |
| Oak Grove Cemetery | Jersey | Jerseyville North |
| Oak Grove Cemetery | Calhoun | Hamburg |
| Oak Grove Cemetery | Cass | Beardstown |
| Oak Grove Cemetery | Coles | Ashmore |
| Oak Grove Cemetery | Crawford | Hutsonville |
| Oak Grove Cemetery | Edwards | Albion South |
| Oak Grove Cemetery | Fayette | Herrick |
| Oak Grove Cemetery | Fulton | Ray |
| Oak Grove Cemetery | Gallatin | Ridgway |
| Oak Grove Cemetery | Hancock | Hamilton |
| Oak Grove Cemetery | Jefferson | Harmony |
| Oak Grove Cemetery | Mason | Manito |
| Oak Hill Cemetery | La Salle | La Salle |
| Oak Hill Cemetery | Macoupin | Scottville |
| Oak Hill Cemetery | Peoria | Oak Hill |
| Oak Hill Cemetery | Richland | West Salem |
| Oak Hill Cemetery | Sangamon | Springfield East |
| Oak Hill Cemetery | Sangamon | Edinburg |
| Oak Hill Cemetery | St. Clair | O’Fallon |
| Oak Hill Cemetery | Kane | Geneva |
| Oak Hill Cemetery | Iroquois | Watseka |
| Oak Hill Cemetery | Fulton | Lewistown |
| Oak Hill Cemetery | Boone | Belvidere NW |
| Oak Hill Cemetery | Bureau | Wyanet |
| Oak Hill Cemetery | Carroll | Mount Carroll |
| Oak Hill Cemetery | Christian | Taylorville |
| Oak Hill Cemetery | Cook | Palos Park |
| Oak Hill Cemetery | Cook | Blue Island |
| Oak Hill Cemetery | DuPage | Wheaton |
| Oak Knoll Cemetery | Whiteside | Sterling |
| Oak Knoll Cemetery | Whiteside | Sterling |
| Oak Lawn Cemetery | Madison | Edwardsville |
| Oak Lawn Cemetery | Lawrence | Saint Francisville |
| Oak Lawn Memorial Gardens | Knox | North Henderson |
| Oak Mound Cemetery | Clay | Xenia NE |
| Oak Mound Cemetery | DeKalb | Somonauk |
| Oak Park Cemetery | De Witt | Clinton |
| Oak Ridge Cemetery | Morgan | Literberry |
| Oak Ridge Cemetery | Ogle | Grand Detour |
| Oak Ridge Cemetery | Sangamon | Springfield West |
| Oak Ridge Cemetery | St. Clair | New Athens East |
| Oak Ridge Cemetery | Vermilion | Danville SW |
| Oak Ridge Cemetery | Mercer | Aledo West |
| Oak Ridge Cemetery | Iroquois | Beaverville |
| Oak Ridge Cemetery | Cook | Calumet City |
| Oak Ridge Cemetery | Cook | Hinsdale |
| Oak Ridge Cemetery | DeKalb | Somonauk |
| Oak Ridge Cemetery | Douglas | Villa Grove |
| Oak Ridge Cemetery | Fulton | Farmington West |
| Oak Valley Cemetery | Hancock | Lima |
| Oak View Cemetery | Tazewell | Armington |
| Oak Wood Cemetery | Cook | Arlington Heights |
| Oak Wood Cemetery | Ogle | Mount Morris |