87 may refer to:

• 87 (number)
• one of the years 87 BC, AD 87, 1987, 2087, etc.
• Atomic number 87: francium
• Intel 8087, a floating-point coprocessor

• Bertha Holt
• Bertha Hope
• Bertha Huberman
• Bertha Hyde-Lees
• Bertha Idaho
• Bertha Jaques
• Bertha K. Becker
• Bertha Koiffmann Becker
• Bertha Koopman
• Bertha Lamme
• Bertha Lamme Feicht
• Bert Haldane
• Bert Hall (disambiguation)
• Berth allocation problem
• Bertha M. and Marie A. Green House
• Bertha Maria Cloyes
• Bertha Mason
• Bertha, Nebraska
• Bertha Odnoposoff
• Bertha of Blois
• Bertha of France
• Bertha of Frisia
• Bertha of Milan
• Bertha of Turin
• Bertha of Vohburg