The Belgium international has been linked with the Ligue 1 champions according to reports in France.
“For now my mind is 100 per cent focused on Zenit,” Witsel told Belgian daily Sudinfo.
PSG are one of the clubs who no player could be indifferent to. You could not refuse that.”
Laurent Blanc is set to replace Carlo Ancelotti as PSG coach and Witsel is one of his top targets.
“Does Laurent Blacn like me? I do not know anything,” he said.
“All i know of him is his sporting career. In football everything can happen quickly. But I cannot say any more about it, because I do not hold any of the cards.”
The 24-year-old made 19 appearances scoring 4 goals for Zenit last season