Potter-O'Brian House
 The Potter-O'Brian House was a historic house at 206 Newton Street in Waltham Massachusetts. The 2-1/2 story brick house was built c. 1850 and was the city's only brick Italianate house. One of the older houses on the city's South Side it was built when the area was still part of Newton. At the time Waltham purchased the territory from Newton Edward Potter owned the house.