Ephraim Potter (1855–1925) was an American architect.
A number of his works are listed on the U.S. National Register of Historic Places.
Works include (with attribution):
Ephraim B. Potter House, Glens Falls, Warren County, New York. Built c. 1900. (Potter,Ephraim B.), NRHP-listedBemis Eye Sanitarium Complex, Glen St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedThomas Burnham House, 195 Ridge St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedW.T. Cowles House, 43-47 William St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedGlens Falls High School, 421-433 Glen St. Glens Falls, NY (Potter, Ephraim B.), NRHP-listedJohn E. Parry House, 146 Warren St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedPeyser and Morrison Shirt Company Building, 211-217 Warren St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedMartin L. C. Wilmarth House, 528 Glen St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedHelen Wing House, 126 Warren St. Glens Falls, NY (Potter,Ephraim B.), NRHP-listedThe Shirt Factory, corner of Lawrence and Cooper Streets, Glens Falls, NY