Ketchum may refer to:

• Ketchum, Idaho, a city
• Ketchum, Oklahoma, a town
• Lake Ketchum, Washington, a census-designated place

• Ketchum Glacier
• Ketchum Ridge

• Ketchum (surname), a surname
• Ketchum Inc., a large public relations agency within Omnicom Group
• Ketchum Graham, Canadian politician
• Ketchum Award, presented by Woods Hole Oceanographic Institution

• Ketcham