公共电话，又称公用电话，指的是提供给不特定多数人使用的电话。

公共电话是公共服务的一种，只要付费无论是谁即可使用，近年来由于手机的普及，公共电话的数量已经明显减少。

A payphone (alternative spelling: pay phone) is typically a coin-operated public telephone, often located in a telephone booth or a privacy hood, with pre-payment by inserting money (usually coins) or by billing a credit or debit card, or a telephone card. Prepaid calling cards also facilitate establishing a call by first calling the provided toll-free telephone number, entering the card account number and PIN, then the desired connection telephone number. An equipment usage fee may be charged as additional units, minutes or tariff fee to the collect/third-party, debit, credit, telephone or prepaid calling card when used at payphones.