What is name? Linguistic phenomenon or ontological transcendentaly? Author’s analysis leads to nontrivial answer: semantic and cultural aspects of Name are based on Palama’s theology of energies, fixed dogmatically in Orthodoxy since times of famous argues around hesychasm in Byzantium in the XIV century. Original interpretation of Russian philosophy of Name ideas developed in Florensky’s, S.N. Bulgakov’s and A.F. Losev’s works is offered.