Poinsett most often refers to Joel Roberts Poinsett (1779-1851), American physician and diplomat, namegiver for many of the other meanings.
Poinsett may also refer to:
Places In the United States Arkansas Poinsett County, Arkansas, named for Joel Roberts Poinsett East Poinsett County School District East Poinsett County High School Lake Poinsett State Park Poinsett Community Club Poinsett County Courthouse Poinsett Lumber and Manufacturing Company Manager's House
Delaware Poinsett House, a home in Kenton, Delaware, that is listed in the National Register of Historic Places
Florida Lake Poinsett (Florida)
South Carolina Poinsett Bridge, a bridge near Columbia, South Carolina, and the oldest bridge in South Carolina Poinsett Hotel, a hotel in Greenville, South Carolina, named for Joel Roberts Poinsett Poinsett State Park, a state park located in Sumter County, South Carolina, named for Joel Roberts Poinsett
South Dakota Lake Poinsett (South Dakota), named for Joel Roberts Poinsett Lake Poinsett (CDP), South Dakota
Outside the United States Cape Poinsett, the northern extremity of Budd Coast, Antarctica, named for Joel Roberts Poinsett
Ships , a sidewheel gunboat, named for Joel Roberts Poinsett , launched 22 May 1944, named for Poinsett County, Arkansas
Other Poinsettia, a plant species native to Mexico, also known as Christmas Flower, named for Joel Roberts Poinsett