The Character of Physical Law is a series of seven lectures by physicist Richard Feynman concerning the nature of the laws of physics.

The BBC recorded the lectures, and published a book under the same title the following year;[1] Cornell published the BBC's recordings online in September 2015.

[2] In 2017 MIT Press published, with a new foreword by Frank Wilczek, a paperback reprint of the 1965 book.

[3] The lectures covered the following topics: Critical reception has been positive.

[4][5] The journal The Physics Teacher, in recommending it to both scientists and non-scientists alike, gave The Character of Physical Law a favorable review, writing that although the book was initially intended to supplement the recordings, it was "complete in itself and will appeal to a far wider audience".