Old Friendship United Methodist Church is a historic United Methodist church located in West Post Office, Worcester County, Maryland. It is a one-story, gable-front, frame building erected in 1866. It received improvements through the 1920s and reflects rural interpretations of the Italianate and Greek Revival styles. Surrounding the church is a small churchyard containing several hundred 19th and 20th century grave markers.
It was listed on the National Register of Historic Places in 1996.