Hi-Lo may refer to:

• A regional term for a forklift, an industrial truck used to lift and move materials short distances
• Hi-Lo, a brand of travel trailer whose upper half rolls down over its lower half to reduce wind resistance during travel

• High-low split, a poker variant
• Hi-Lo, a type of card counting
• Hi-Lo (High Low), a card game where players guess if a certain face-up card is higher or lower in value than a certain face-down card

• Hi-Lo, a 2000 album by Irish rock band The Walls
• HI-LO, an alias of the Dutch producer Oliver Heldens
• "Hi-Lo", song by Evanescence from the album Synthesis
• "Hi Lo" (The Price Is Right), a pricing game on the American game show The Price Is Right
• The Hi-Lo's, an American singing group formed in 1953
• HiLo, an album by American singer/songwriter Jack Stauber

• Hi-lo, a type of hemline
• Hi/Lo algorithm a database key generation algorithm
• Hi-Lo or High Low, a type of siren signal.

• Hilo (disambiguation)
• High Low (disambiguation)