喇沙会，或喇沙修士会（法语：****lliens；英语：De La Salle Brothers），正式名称中译为「基督学校修士会」（法语：Frères des é***** chrétiennes；英语：Institute of the Brothers of the Christian Schools），是一个天主教的修会组织，专注于教育和相关事务。

组织由法国教士圣若翰·喇沙创立。他本是一所大教堂的司铎，在西方创立免费教育的观念，为来自工人阶级和家境贫穷的儿童提供阅读、书写和算术的教育，并培养他们了解宗教信仰，协助他们成为天主教徒。

The Brothers of the Christian Schools (also known as the Christian Brothers, the ****llian Brothers, the French Christian Brothers, or the De La Salle Brothers; French:Frères des é***** chrétiennes; Latin: Fratres Scholarum Christianarum) is a Roman Catholic religious teaching congregation, founded in France by Jean-Baptiste de La Salle (1651–1719), and now based in Rome. The Brothers use the post-nominal abbreviation F.S.C. to denote their membership of the order, and the honorific title Brother, abbreviated Br.. The ****llian Christian Brothers are not the same order as the Irish Christian Brothers.