Taťána Netoličková (née Kocembová (, divorced Slaninova; born 2 May 1962) is a retired 400 metres runner who represented Czechoslovakia. Her greatest achievement was winning the silver medal behind teammate Jarmila Kratochvílová at the 1983 World Championships in a personal best time of 48.59s. A time that still ranks her seventh on the world all-time list. She won a second silver medal in the 4 x 400 metres relay. In 1984, she won the 400m at the European Indoor Championships. She also holds the world best for the unofficial distance of 500 metres.