Silent Enemy may refer to:

• "Silent Enemy" (Enterprise episode), the 12th episode of the television series Star Trek: Enterprise
• "Chapter 2: The Silent Enemy", an episode of the television series Cliffhangers
• The Silent Enemy (1930 film), a drama about pre-Christopher Columbus Native Americans starring Native Americans
• The Silent Enemy (1958 film), a British Second World War film
• Silent Enemy, a 2011 novel by Tom Young (novelist)

• Athletics at the 1900 Summer Olympics – Men's 800 metres
• Athletics at the 1900 Summer Olympics – Men's discus throw
• Athletics at the 1900 Summer Olympics – Men's hammer throw
• Athletics at the 1900 Summer Olympics – Men's high jump
• Athletics at the 1900 Summer Olympics – Men's long jump
• Athletics at the 1900 Summer Olympics – Men's marathon
• Athletics at the 1900 Summer Olympics – Men's pole vault
• Athletics at the 1900 Summer Olympics – Men's shot put
• Athletics at the 1900 Summer Olympics – Men's standing high jump
• Athletics at the 1900 Summer Olympics – Men's standing long jump
• Athletics at the 1900 Summer Olympics – Men's standing triple jump
• Athletics at the 1900 Summer Olympics – Men's triple jump
• Athletics at the 1904 Summer Olympics
• Athletics at the 1908 Summer Olympics
• Athletics at the 1908 Summer Olympics – Men's 100 metres
• Athletics at the 1908 Summer Olympics – Men's 110 metres hurdles
• Athletics at the 1908 Summer Olympics – Men's 1500 metres
• Athletics at the 1908 Summer Olympics – Men's 200 metres
• Athletics at the 1908 Summer Olympics – Men's 3 miles team race
• Athletics at the 1908 Summer Olympics – Men's 400 metres
• Athletics at the 1908 Summer Olympics – Men's 400 metres hurdles
• Athletics at the 1908 Summer Olympics – Men's 5 miles
• Athletics at the 1908 Summer Olympics – Men's 800 metres
• Athletics at the 1908 Summer Olympics – Men's medley relay
• Athletics at the 1920 Summer Olympics