Greater New Bedford Regional Vocational-Technical High School (commonly referred to as GNB Voc-Tech, Voc-Tech, or Voc) is a vocational high school located in New Bedford, Massachusetts, United States for students in grades 9–12.

The school draws its student body from the towns and cities of New Bedford, Dartmouth, and Fairhaven.

Students alternate between six day long career technical and academic cycles.

In a typical class, 60-70% of its graduates choose to continue their education, either at colleges or advanced technical schools.

GNB is the largest vocational-technical high school in the state by enrollment.