Turnover, in cellular biology of certain biomolecules or cells is the rate at which they are lost and/or regenerated through cell division

Turnover, in Rugby League occurs when the attacking team is tackled for the 6th time or they lose possession of the ball

Turnover, in limnology refers to the mixing of upper layers of lake water with lower levels, which usually occurs in the fall; a lack of mixing is a result of temperature gradient that cause density differences

In Europe, turnover is the term for revenue.

Turnover (employment), relative rate at which an employer gains and loses staff

Population turnover, in demographics measures gross moves in relation to the size of the population and is related to population mobility

Turnover (food), a type of pastry

Turnover number, in chemical kinetics is the number of moles of substrate that a mole of catalyst can convert before becoming inactivated. In enzyme kinetics, the same term is used to refer to the moles of substrate converted by a mole of enzyme per second

Turnover (basketball), a turnover in basketball occurs when a player from one team gives possession to a member of another team by losing the ball without taking a shot

Turnover, in American football occurs when the offense loses possession of the football because of a fumble, interception, or turnover on downs

Turnover, in Rugby Union occurs when the attacking team loses possession of the ball, usually at a Ruck

Turnover is a song by Fugazi from their album Repeater.