Oelrichs may refer to:
- Blanche Oelrichs, an American poet, playwright and actress
- Hermann Oelrichs, American businessman (1850-1906). [Don't mix up: his father and his son, in business too, had the same name!]
- Marjorie Oelrichs, American socialite and wife of bandleader Eddy Duchin
- Oelrichs, South Dakota, a community in Falls River County
- Peter Andresen Oelrichs, sailor and author