Harry Stone may refer to:

• "Hop" Harry Stone, an early 20th century American boxer
• Judge Harry Stone, the lead character on Night Court, an American situation comedy television show

• Mach (crater)
• Mache
• Mach effect
• Machelen
• Machelen, Zulte
• Ma'chello
• Machen
• Mach, Ernst
• Macherot
• Machesney Park, IL
• Machesney Park, Illinois
• Machester Mark I
• Machet
• Machete
• Machete Couesse
• Macheteros
• Machetes
• Machete Savane
• Mach Five
• Machgielis Euwe
• Mach Go
• Mach Go Go Go
• Machhapuchare
• Ma-chiang
• Ma-Chiang