Saint Martinville Senior High School (SMSH, also known locally as Senior High) is a high school in St. Martinville, Louisiana, United States. The school is 1 of 3 high schools in St. Martin Parish School Board System. The school is administered by a principal, two assistant principals, and a dean of students.

St. Martinville Senior High School is a 9th–12th Grade public school in St. Martinville, Louisiana. Enrollment in 2016–2017 is estimated to be around 750 students. It is located at 762 N Main St - St.Martinville, LA 70582.

St. Martinville Senior High athletics competes in the LHSAA.

Football championships

• (2) State Championships: 1981, 1984

• Charles Fuselier, sheriff of St. Martin Parish from 1980 to 2003; National Sheriff of the Year in 1996

• St. Martin Parish School Board
• List of high schools in Louisiana

• http://smsh.saintmartin.schooldesk.net/Home/tabid/24662/Default.aspx
• https://www.usnews.com/education/best-high-schools/louisiana/districts/st-martin-parish/st-martinville-senior-high-school-8751