The following highways are numbered 19A:
Canada
China
- Taiwan Provincial Highway 19A
India
- Karnataka State Highway 19A
United States
Florida State Road A19A (former)
- Maryland Route 19A
- Maryland Route 19A (1951–1962) (former)
County Road 19A (Washington County, Minnesota)
Nebraska Spur 19A
New York State Route 19A
South Dakota Highway 19A