期货合约（英语：Futures contract），简称期货（英语：Futures），是一种跨越时间的交易方式。买卖双方透过签订合约，同意按指定的时间、价格与其他交易条件，交收指定数量的现货。通常期货集中在期货交易所，以标准化合约进行买卖，但亦有部分期货合约可透过柜台交易进行买卖，称为场外交易合约。

期货是一种衍生工具，按现货标的物之种类，期货可分为商品期货与金融期货两大类。参与期货交易者之中，套戥者（或称对冲者）透过买卖期货，锁定利润与成本，减低时间带来的价格波动风险。投机者则透过期货交易承担更多风险，伺机在价格波动中牟取利润。

In finance, a futures contract (more colloquially, futures) is a standardized forward contract which can be easily traded between parties other than the two initial parties to the contract. The parties initially agree to buy and sell an asset for a price agreed upon today (the forward price) with delivery and payment occurring at a future point, the delivery date. Because it is a function of an underlying asset, a futures contract is a derivative product.