Dwight may refer to:
- People
- Dwight (given name)
- New England Dwight family of American educators, military and political leaders, and authors
- Places
In Canada:
- Dwight, Ontario, village in the township of Lake of Bays, Ontario
In the United States:
- Dwight, Illinois, village in Livingston and Grundy counties
- Dwight Correctional Center, maximum security prison for adult females in Illinois
- Dwight, Kansas, city in Morris County
- Dwight, Nebraska, village in Butler County
- Dwight, North Dakota, city in Richland County
- Dwight Township, Livingston County, Illinois
- Dwight Township, Michigan
- Dwight School, New York City