William Harper

• Ambassador Bill
• Bill Harper (baseball)
• Bill Harper (footballer, born 1897)
• Bill Harper (footballer, born 1900)
• Bill Harper (soccer)
• Billy Harper
• Billy Harper (footballer)
• Will Harper
• William Allen Harper
• William Claude Harper
• William Edmund Harper
• William Harper (Rhodesian politician)
• William Harper (South Carolina)
• William Harper (composer)
• William Harper, Jr.
• William Harpur
• William Jackson Harper
• William Rainey Harper
• Willie Harper