A Mother's Heart (Russian: Сердце матери, romanized: Serdtse materi) is a 1965 Soviet historical revolutionary film directed by Mark Donskoy. Donskoy was awarded USSR State Prize for the film in 1968.

The film follows the formative years (1884–1890) of Vladimir Ulyanov growing up in Simbirsk. The film was followed by the sequel, A Mother's Devotion in 1967.