Petra is a feminine given name. It is a feminine form of Peter, which is derived from the Greek word "petros" meaning "stone, rock". It is also a common first name in Germany, Serbia, Croatia, Hungary, Finland, Sweden, Macedonia, the Czech Republic, Slovenia and Slovakia.
June 29 is the name day of Peter and of Petra. October 2 is the name day of Petra in Hungary
Bulgarian: Петра (Petra), Петруна (Petruna), Петя (Petya), Пена (Pena), Пенка (Penka), Пейка (Peyka, female variant of Peyo), Петка (Petka, could also be derived from the Bulgarian word for Friday (Петък))
Czech: Petruš, Petruška, Péťa
French: Perette, Pierrette, Pierrine
Frisian: Peekje, Pietje, Pierke, Pierkje, Piertje, Peterke, Petje, Petke, Pieterke
German: Peti, Petrina, Petrine, Pezi, Petzi, Pedi
Greek: Πετρούλα (Petroula)
Italian: Piera, Pierina
Macedonian: Петра (Petra), Петранка (Petranka)
Notable people with this given name include:
Petra Bagust (born 1972), New Zealand television presenter
Petra Begerow (born 1975), German tennis player
Petra Burka (born 1946), Canadian figure skater
Petra Cetkovská (born 1985), Czech tennis player
Petra Collins (born 1992), Canadian photographer
Petra Ecclestone (born 1988), Croatian-English model and fashion designer, daughter of Bernie Ecclestone
Petra Felke (born 1959), German athlete
Petra Frey (born 1978), Austrian singer
Petra Haden (born 1971), American singer and violinist
Petra Kamstra (born 1974), Dutch former tennis player
Petra Kelly (1947–1992), German politician
Petra Kronberger (born 1969), Austrian alpine skier
Petra Kusch-Lück (born 1948), German host and singer
Petra Kvitová (born 1990), Czech tennis player
Petra Langrová (born 1970), Czech former tennis player
Petra Mandula (born 1978), Hungarian tennis player
Petra Markham (born 1944), British actress
Petra Marklund (born 1984), Swedish singer, pseudo "September"
Petra Majdič (born 1979), Slovenian cross-country skier
Petra Martić (born 1991), Croatian tennis player
Petra Mede (born 1970), Swedish singer and host
Petra Němcová (born 1979), Czech mannequin and photo model
Petra Pau (born 1963), German politician
Petra Pfaff (born 1960), German track and field hurdler
Petra Rampre (born 1980), Slovenian tennis player
Petra Rossner (born 1966), German cyclist
Petra Schmidt-Schaller (born 1980), German actress
Petra Schneider (born 1963), German swimmer
Petra Schürmann (1933–2010), German television host and actress
Petra Taylor, a character from British soap opera Brookside
Petra van Staveren (born 1966), Dutch swimmer
Petra de Steur (born 1972), Belgian singer also known as La Sakhra
Petra Văideanu (born 1965), Romanian heptathlete
Petra Verkaik (born 1966), American model
Petra Wimbersky (born 1982), German football player
Petra Yared (born 1979), Australian actress
