|Location||Roche-a-Cri State Park, Adams County, Wisconsin, USA|
|Nearest city||Friendship, Wisconsin|
|Governing body||State of Wisconsin|
|NRHP Reference #||81000031|
|Added to NRHP||May 11, 1981|
The Roche-a-Cri Petroglyphs, also known as the Friendship Glyphs, are a Registered Historic Place in Roche-a-Cri State Park, near Friendship, Wisconsin. They consist of Oneota rock art, mostly petroglyphs resembling birds, canoes and geometric designs. They were added to the National Register of Historic Places in 1981. The petroglyphs were vandalized by soldiers and area settlers between 1845 and the 1880s, notably Company D of the Wisconsin 1st Cavalry Sharpshooters in 1861.
- "Native American Rock Art in the Eastern U.S.". Eastern States Rock Art Research Association. Archived from the original on 2011-09-13. Retrieved September 1, 2013.
- "National Register of Historical Places: Wisconsin, Adams County". American Dreams Inc. Retrieved September 1, 2013.
- "Roche-A-Cri Historic Graffiti - Friendship, WI". Groundspeak, Inc. Retrieved 2009-04-03.
- Roche-A-Cri State Park Wisconsin Department of Natural Resources