3/4 or ¾ may refer to:

• The fraction (mathematics) three quarters (3⁄4) equal to 0.75

Arts and media

• 3/4 (film), a 2017 Bulgarian film
• ³
  ₄ time, a form of triple metre in music
• 3/4 profile, in portraits
• 3/4 perspective, in video games

Other uses

• 3⁄4″ videocassette, better known as the U-matic format
• March 4 (month-day date notation)
• 3 April (day-month date notation)
• 3rd Battalion 4th Marines, a unit in the United States Marine Corps
• Three fourths, alternative name for Capri pants