Allison Kay Rosati (born February 12, 1963) is the 5 p.m., 6 p.m. and 10 p.m. newscast co-anchor for WMAQ-TV in Chicago, in the United States.
In 1989, she was the local co-host of The Jerry Lewis MDA Labor Day Telethon alongside Barry Lillis.
In 1995 she began anchoring the afternoon news, and in May 1997, following the controversial hiring of Jerry Springer as commentator and the resignations of Ron Magers and Carol Marin, Rosati was promoted to co-anchor of NBC 5's 10 p.m. newscast, making her as a longest-reigning tenured late-evening news anchor in Chicago.
Rosati volunteers for many Chicago-area organizations, such as Amate House, the Greater Chicago Food Depository, the Infant Welfare Society, the St. Jude Children's Research Hospital, the Children's Home + Aid, the Ronald McDonald House, and the March of Dimes.
Rosati was married to radiologist Dr. Lee Dennis in a traditional Roman Catholic wedding ceremony on March 20, 1993 at the Holy Name Cathedral.
In September 2020, Rosati went undergo surgery due to their injury to her leg, but however because of the COVID-19 pandemic in Illinois which causing her age in their higher risk for severe illness, she is resting at home.