Richard P. Rosenthal
 Richard P. Rosenthal is an American author and law enforcement officer. In 2011 he retired as the chief of police of Wellfleet Massachusetts on Cape Cod where he served for over 20 years. Prior he served two decades as an NYPD officer retiring at the rank of lieutenant.Rosenthal has written books on police craft one on Skycops and one on K-9 units as well as a novel and a memoir about police undercover work.