Ulrika Carolina Widström (24 November 1764, in Stockholm – 19 February 1841), was a Swedish poet and translator.
She debuted as a poet in the 1780s, when she aroused attention by some poems, published in the literary papers of the day.
The same year, she was awarded the grand gold medal of the Royal Swedish Academy.
Widstrom was very well known and admired by her contemporaries and artists, such as Carl Gustaf af Leopold, Bengt Lidner, Thomas Thorild and Per Daniel Amadeus Atterbom.
Ulrika Widström is portrayed in the novel Pottungen (Chamber Pot Child) by Anna Laestadius Larsson from 2014, where she, alongside Ulrika Pasch, Anna Maria Lenngren, Jeanna von Lantingshausen, Marianne Ehrenström and Sophie von Fersen, becomes a member in a Blue Stockings Society organized by Hedvig Elisabeth Charlotte of Holstein-Gottorp.