Howard Percy “Bob” Robertson (January 27, 1903 – August 26, 1961) was an American mathematician and physicist known for contributions related to physical cosmology and the uncertainty principle. He was Professor of Mathematical Physics at the California Institute of Technology and Princeton University.

In 1943, he was asked to investigate if the German flying bomb was a hoax, and quickly determined it to be a real threat. (Peebles, 99)

He was head of the 1953 CIA/USAF Scientific Advisory Panel on Unidentified Flying Objects (aka: Robertson Panel.