KNWA may refer to:

• KNWA-TV, a television station (channel 51) licensed to Rogers, Arkansas, United States
• KNWA (AM), a radio station (1600 AM) licensed to Bellefonte, Arkansas, United States

• William Jones, III
• William Jones (judge)
• William Jones (law officer)
• William Jones (naturalist)
• William Jones (Naturalist)
• William Jones (New Zealand politician)
• William Jones (Port Vale footballer)
• William Jones (rower)
• William Jones (Welsh priest)
• William Jopling
• William Jordan
• William Jordan (actor)
• William Jordan, Baron Jordan
• William Jordan (disambiguation)
• William Jordan Flake
• William Jordan Graves
• William Jordan Rattray
• William Jordan (writer)
• William Jorden
• William Jorgensen
• William Joseph Armstrong
• William Joseph Bauer
• William Joseph Beldue
• William Joseph Bell
• William Joseph "Bill" Rosendahl