Jana Kubičková-Posnerová (born 9 January 1945) is a Slovak former gymnast. She won a silver medal at the 1964 Summer Olympics in Tokyo and a silver medal at 1968 Summer Olympics in Mexico City both in team all-around.
Individually, her best achievement was eighth place in the floor exercise in 1968.
She married Václav Kubička, an Olympic gymnast who also competed at the 1964 and 1968 Olympics.
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