Marina Apollonio (born 1940 in Trieste) is an Italian artist associated with Op Art and Kinetic Art, celebrated for her precise geometric works that explore visual perception and optical movement. Raised in Venice and trained at the Accademia di Belle Arti di Venezia, she began developing her distinctive language in the early 1960s through experiments with industrial materials, rhythmic patterns, and dynamic forms. Her best known works often use concentric circles, vibrations, and shifting spatial effects to activate the viewer’s gaze and create an experience of motion. She exhibited internationally from the mid 1960s and became linked to the Nova Tendencija movement, with her work entering major collections including that of Peggy Guggenheim. Apollonio continues to be recognized as a key figure in postwar European abstraction, noted for her rigorous approach to form and her enduring investigation of the relationship between art, space, and perception.