| W.L. Seaton Secondary | |
| Address: | 2701 41st Ave |
| Country: | Canada |
| Coordinates: | 50.2725°N -119.2666°W |
| Opened: | 1949 |
| Principal: | Mr. Mike Grace |
| Grades: | 8-12 |
| Enrollment: | 1018 |
| Colours: | Blue and White |
| Team Name: | Sonics |
W.L. Seaton Secondary is a public high school in Vernon, British Columbia, Canada, located near city centre. It is part of School District 22 Vernon. Seaton secondary is one of several high schools in the Vernon area.