Charles William Francis Everitt (born 8 March 1934) is a US-based English physicist working on experimental testing of general relativity.

[1] He is Professor at the Hansen Experimental Physics Laboratory of Stanford University and is also an Associate Member of the Kavli Institute for Particle Astrophysics and Cosmology (KIPAC).

Everitt is Principal Investigator of the Gravity Probe B mission mainly aimed to test frame-dragging at an expected accuracy of 1%.

Everitt spent more than 40 years on the project and was awarded with the NASA Distinguished Public Service Medal.

In 1985, along with Remo Ruffini, Riccardo Giacconi, Abdus Salam, Paul Boynton, George Coyne, and Fang Li-Zhi, Professor Everitt co-founded the International Center for Relativistic Astrophysics.