威瑟乐团（Weezer）是一组来自美国加州洛杉矶的另类摇滚乐团，于1992年组成。乐团在最早是由瑞弗斯·柯摩（Rivers Cuomo，主唱、吉他手）、派屈克·威尔森（Patrick Wilson，鼓手、合音）、麦特·夏普（Matt Sharp、贝斯、合音）和杰森·科普（Jason Cropper，吉他、合音）组成。杰森·科普在不久后被布莱恩·贝尔（Brian Bell）取代。接着麦特·夏普被麦奇·威尔许（Mikey Welsh）取代，之后史考特·夏瑞纳（Scott Shriner）接替了威尔许的位子。威瑟乐团至今共发行了六张专辑、三张EP以及一张DVD作品。在美国的唱片累积销售量超过六百万张。

Weezer is an American rock band formed in Los Angeles in 1992, currently consisting of Rivers Cuomo (lead vocals, lead and rhythm guitar), Patrick Wilson (drums), Brian Bell (rhythm and lead guitar, backing vocals, keyboards), and Scott Shriner (bass guitar, backing vocals, keyboards). Weezer has sold 9.2 million albums in the US and over 17 million worldwide.