- A surname.
- A city, the county seat of Cowley County, Kansas, United States.
- A town, the county seat of Putnam County, West Virginia, United States.
- According to the 2010 United States Census, Winfield is the 4318th most common surname in the United States, belonging to 8230 individuals. Winfield is most common among Black/African American (49.5%) and White (43.73%) individuals.