A highball is a type of alcoholic drink.

Highball may also refer to:

Highball glass, glassware used to serve highball cocktails and other mixed drinks Highball (climbing), a climbing term for a very tall boulder problem Highball (film), 2002 comedy film by Noah Baumbach USS High Ball, the name of multiple US Navy ships Highball Wilson (1878-1934), professional baseball pitcher Highball, a 1942 British bouncing bomb project from World War 2 An express train, historically called a 'highball'

See also Lowball (disambiguation)