Helena is a city located in Phillips County, Arkansas, in the United States. It occupies the eastern portion of the combined municipality of Helena–West Helena and is situated on the west bank of the Mississippi River.
The city was founded in 1833 by Nicholas Rightor. It was named after the daughter of Sylvanus Phillips, an early settler of the county who also provided the name for Phillips County. As of the 2000 census, the population of the Helena portion of the city was 6,323.
Historically, Helena served as the county seat of Phillips County until January 1, 2006. On that date, it merged its government and city limits with the neighboring community of West Helena.