Petra Cetkovská (Czech pronunciation: ['p?tra 'ts?tkofska?]; born 8 February 1985 in Prostejov, Czechoslovakia) is an inactive tennis player from the Czech Republic.
Having turned professional in 2000, she reached her career-high singles ranking of world No.
25 on 18 June 2012.
Over her career, Cetkovská defeated top ten players Marion Bartoli, Elena Dementieva, Angelique Kerber, Li Na, Agnieszka Radwanska, Caroline Wozniacki, and Vera Zvonareva.