Pyotr Petrovich Gnedich (Russian: Пётр Петро́вич Гне́дич, IPA: [ˈpʲɵtr pʲɪˈtrovʲɪtɕ ˈɡnʲedʲɪtɕ] ⓘ; 18 October [O.S.

30 October] 1855 – July 16, 1925), also known as Gnedich-Smolensky, was a Russian writer, poet, dramatist, translator, theatre entrepreneur and art history scholar.

He was a grandnephew of Russian poet and translator Nikolay Gnedich.

Gnedich wrote more than 40 plays (7 of them historical) and several novels (Chinese Shadows, 1884, The Burden of this World, 1897).

Pyotr Gnedich's best known non-fiction works were the History of Art from Ancient Times (1885), arguably the first popular Russian treatise of this kind, and his memoirs Book of Life (1929).