William Lewis House may refer to:

• William H. Lewis Model House, listed on the National Register of Historic Places (NRHP) in Portland, Oregon
• William Lewis House (Waxahachie, Texas), listed on the NRHP in Waxahachie, Texas
• Lewis-Williams House, listed on the NRHP in Hudson, Wisconsin

• Whittemore School of Business and Economics
• Whittenberg
• Whittenberg, Charles
• Whittenburg
• Whittenburg Creek
• Whittenburg, TX
• Whittenella peltosema
• Whitten (surname)
• Whittenton
• Whitteridge
• Whitteron Township, Bottineau County, North Dakota
• Whittet
• Whitthorne
• Whitticase
• Whittier Adult School
• Whittier Fire
• Whittier Heights
• Whittier Heights, Seattle
• Whittier House
• Whittier House (Danville, Vermont)
• Whittier House (disambiguation)
• Whittier Poets baseball
• Whittier Poets men's basketball
• Whittier Poets track and field
• Whittier School (Waterloo, Iowa)