Shikellamy may refer to any of the following,
- Shikellamy, an Oneida (tribe) leader who was an overseer of the Shawnee for the Iroquois in Province of Pennsylvania during the mid-18th century
- Shikellamy State Park at Pennsylvania state park in Union and Northumberland Counties, named for Chief Shikellamy
- Shikellamy High School, a high school that serves Northumberland and Sunbury Pennsylvania. It is also named for the Oneida leader