Valeria Williams
- Full Name: Valeria Messalina Williams
- Born: Iowa, United States of America, Earth
- Species: Human
- Gender: Female
- Father: Marcus Williams
- Husband: Samuel Kirk
- Son: Tiberius Kirk
- By 2163: Lieutenant, armory officer, Starfleet; USS Pioneer (ENT Novel: A Choice of Futures, Tower of Babel, Uncertain Logic, Live by the Code)