SIDNEY BUDNICK JONAS (June 18, 1921 – August 25, 1994) was an American abstract artist. Born and raised in New York City, Budnick studied under Hans Hoffman and was greatly influenced by Piet Mondrian and the De Stijl art movement.

After serving in the army during World War II, Budnick earned his Bachelor of Arts degree at the IIT Institute of Design. While there, he studied under László Moholy-Nagy, the founding director of the New Bauhaus and head of the School of Design (later renamed the Institute of Design in 1944).

He received his Masters Degree in Architecture from the Harvard Graduate School of Design in 1952, where he studied under Walter Gropius, the founder of the Bauhaus school in Germany. Although he earned his living as an architect, Budnick painted throughout his life until he died in 1994 in Oregon. His work is included in the collections of the Guggenheim Museum, the Museum of Modern Art and the J. Donald Nichols collection.