Agata Oleksiak (born 5 April 1978), known as Olek, is a Polish artist who is based in New York City.
Her works include sculptures, installations such as crocheted bicycles, inflatables, performance pieces, and fiber art.
She has covered buildings, sculptures, people, and an apartment with crochet and has exhibited in the United States, United Kingdom, Germany, Brazil, Turkey, France, Italy, Poland, and Costa Rica.