Keith Lamb may refer to:

• Keith Lamb (executive) (born 1946), former chief executive at Middlesbrough F.C
• Keith Lamb (musician) (born 1952), lead singer and founding member of the Australian band Hush

• The Constant Nymph (1938 film)
• The Constant Nymph (1943 film)
• The Constant (Story of the Year album)
• The Constant Woman
• The Constellations
• The Constitutional Council of France
• The Constitutional Court of the Russian Federation
• The Constitutional History of Iran
• The Constitutional history of the People's Republic of China
• The Constitution of Angola
• The constitution of australia
• The Constitution of Guyana
• The Constitution of the Kingdom of Bhutan
• The Constitution of the People's Republic of China
• The Constitution of the Republic of Moldova
• The Constitution of the Republic of Turkey
• The Constitution Party
• The Constitution Project's Guantanamo Task Force
• The Constitution Society
• The Constitution (song)
• The Constitution State
• The Construction and Principal Uses of Mathematical Instruments
• The Consulate
• The Consulate-General of the Republic of Poland in Chicago
• The Consulate General of the Republic of Poland in Chicago