Ned Joel Block (born 1942) is an American philosopher working in philosophy of mind who has made important contributions to the understanding of consciousness and the philosophy of cognitive science.

Block obtained his PhD from Harvard University in 1971 under the direction of Hilary Putnam.

He has, since 1996, been a professor in the departments of philosophy and psychology at New York University (NYU).

Block received the Jean Nicod Prize in 2013, and has given the William James Lectures at Harvard University in 2012 and the John Locke Lectures at Oxford University in 2013,[2] among many others.

Block is Past President of the Society for Philosophy and Psychology and was elected a Fellow of the American Academy of Arts & Sciences in 2004.