New Line Cinema is one of the ten major Hollywood movie studios.

New Line may also refer to:

• New Line Theatre, an alternative musical theatre company in St. Louis, Missouri

• New Line Records, a record label; formerly known as New Line Records, currently WaterTower Music

• Newline, a character or sequence of characters signifying the end of a line of text

• Colt New Line, a line of 19th century revolvers

Transportation

• New Line (shipping line) or Robert Kermits Red Star Line, 19th century transatlantic shipping line

• Watford DC line or New Line, a commuter railway line from London Euston to Watford Junction

• Fukutoshin Line or Yūrakuchō New Line, a Tokyo Metro subway line