莱萨克（法语：Laissac）是法国阿韦龙省的一个市镇，属于罗德兹区（Rodez）莱萨克县（Laissac）。该市镇2009年时的人口为1556人。

莱萨克人口变化图示

数据来源：INSEE

Laissac is a former commune in the Aveyron department in southern France. On 1 January 2016, it was merged into the new commune of Laissac-Sévérac-l'Église. It is located by the Aveyron River and National Highway 88 between Lapanouse and Rodez.