小孩大联盟（英文：Codename: Kids Next Door，或者childrens Next Door，简称KND）是一部美国动画影集，于美国Cartoon Network于2002年10月6日首播。采用30分钟两集的方式播出（除了少数几集是半小时一集）。主角群是五个在树屋中集结，对抗大人及青少年暴行（如：作业、早睡）的十岁小孩们。这个影集是由Tom Warburton所创造，在工作人员单上以Mr. Warburton为名。

Codename: Kids Next Door, also known as Kids Next Door or by its initials KND, is an American animated television series created by Tom Warburton for Cartoon Network, and the thirteenth of the network's Cartoon Cartoons. The series debuted on Cartoon Network on December 6, 2002. The series came about as the result of a viewer's poll by Cartoon Network. The series centers on the adventures of five children who operate from a high-tech tree house, fighting against adult tyranny. They use advanced 2×4 technology to battle evil adult villains. Using their codenames (Numbuh 1, Numbuh 2, Numbuh 3, Numbuh 4 and Numbuh 5), they are Sector V, part of a global organization called The Kids Next Door. The series had also broadcast two television films, Operation: Z.E.R.O. in August 2006 and the series finale, Operation: I.N.T.E.R.V.I.E.W.S. in January 2008.