- Wrongful Discharge
- Wrongful Life
- Wrongful Pregnancy
- Wyatt, Walter
- Wygant v. Jackson Board of Education
- Wythe, George
- X as a Signature
- X Rating
- XYY Chromosomal Abnormality Defense
- XYZ Affair
- Yalta Agreement
- Year Books
- Yellow Dog Contract
- Yick Wo v. Hopkins
- Yield
- York-Antwerp Rules
- Young, Owen D.
- Youngstown Sheet & Tube Co. v. Sawyer
- Zenger, John Peter
- Zero Bracket Amount
- Zero Tolerance
- Zoning
