Theo Bruins (25 November 1929, in Arnhem – 8 January 1993, in Haarlem) was a Dutch pianist and composer.
For a recital in London he received the Harriet Cohen Beethoven Medal in 1959.
Among his students are Bart Berman, Maarten Bon, Loek van der Leeden, and Fred Oldenburg.
All his works were published by Donemus and collected on one album by the Q Disc label.
His Syncope for harpsichord (1992) appears also on a collection by NM Music.