Petr Pravec (born September 17, 1967) is a Czech astronomer and a discoverer of minor planets, born in Třinec, Czech Republic.
Pravec is a prolific discoverer of binary asteroids, expert in photometric observations and rotational light-curves. He is credited by the Minor Planet Center with the discovery and co-discovery of 350 numbered minor planets, and is leading the effort of a large consortium of stations called "BinAst" to look for multiplicity in the near-Earth objects and inner main-belt populations.
He is a member of the Academy of Sciences of the Czech Republic.
The Eunomian main-belt asteroid 4790 Petrpravec, discovered by Eleanor Helin in 1988, is named after him. Naming citation was published on 20 June 1997 (M.P.C. 30095).