Hewster may refer to:

• John Hewster, MP City of London (elections to the Parliament of England)
• Adam Hewster, MP for Stafford (UK Parliament constituency)

• When it's Over
• When It's Over (disambiguation)
• When it's time
• When It Was Dark (film)
• When It Was Done
• When It Was Now
• When I've Been Drinkin'
• When I Want You Back (Rockell & Joe Zangie Song)
• When I Want You Back (Rockell & Joe Zangie song)
• When I was a Bachelor
• When I Was A Boy (song)
• When I Was at Aso-Mountain
• When I Was a Work of Art
• When I Was a Youngster
• When I was Born for the 7th Time
• When I Was Growing Up
• When I Was in Kneepants
• When I Was One-and-Twenty
• When I Was One-And-Twenty
• When I Was One And Twenty
• When I was Puerto Rican
• When I Was Young (album)
• When I Was Your Girl
• When I Was Your Girl (song)
• When I Was Your Man