Lutheran Middle and High School North (LHSN) is a parochial Christian high school in St. Louis County, Missouri in the United States. It currently offers education in grades six through twelve, and is associated with the Lutheran Church – Missouri Synod. Along with Lutheran High School South, the school belongs to the Lutheran High School Association of the Greater St. Louis Area.

Lutheran North is accredited by AdvancED and National Lutheran Schools and is a charter member of the National Alliance of High Schools. Its governing body is a 15-member board of trustees appointed by the 63 member congregations of the high school association. Lutheran North is currently administrated by Timothy Brackman as principal and Daniel Wenger as dean of students.