Paulo R. Holvorcem is a Brazilian amateur astronomer who lives in Campinas, Brazil.
He is a prolific discoverer of asteroids. He is credited by the Minor Planet Center with the discovery or co-discovery (with Charles W. Juels) of about 200 asteroids between 1998 and 2003.
Holvorcem with Juels also discovered two comets: C/2002 Y1 (Juels-Holvorcem) and C/2005 N1 (Juels-Holvorcem). Holvorcem was also involved in the discovery of C/2011 K1 (Schwartz-Holvorcem).[1]
The asteroid (13421) Holvorcem was named after him.