游乐场是指让儿童自由自在玩耍的地方。现代游乐场通常会有跷跷板、旋转木马、秋千、单杠、双杠、滑梯、吊秋千、吊环、玩具小屋及迷宫。这些游戏能够帮助儿童发展协作能力、使身体强健及学会处世技巧，而且又可提供娱乐及享受。

专家认为儿童在游乐场里所学得的社交技巧将会使其终身受用。有独立调查指出游乐场是儿童在户外最常去的地方。很多形式的游戏均对身心有益，但自由及实时的玩乐可以让儿童获益更多。

游乐场通常亦有小形的成人运动设施供儿童玩耍，如棒球、溜冰、篮球或绳球。

有时候，学校或其他志愿机构亦会提供游乐场的游玩设施。而在过去二十年里，游乐场里的游玩设施不断变更，以其达到更高的安全标准。如攀爬架以往会以钢造成，而现在的攀爬架则会尽量少用钢而多用尼龙绳网构造。

A playground, playpark, or play area is a place with a specific design to allow children to play there. It may be indoors but is typically outdoors (where it may be called a tot lot in some regions). While a playground is usually designed for children, some playgrounds are designed for other age groups. Berlin's Preußenpark for example is designed for senior adults age 70 or higher. It is possible for a playground to exclude children if they are below the required age for entrance.