NWSA may refer to:
- News Corporation's NASDAQ ticker symbol for Class A stock
- New World School of the Arts, a public high school in Miami, Florida
- National Woman Suffrage Association
- Northwest Service Academy, an AmeriCorps program in the Pacific Northwest
- Northwest School of Agriculture, a program at University of Minnesota Crookston
- National Water and Sanitation Authority; see Water supply and sanitation in Yemen
- National Women's Studies Association Journal, now called Feminist Formations