Vasilievich is a given name. Notable people with the name include:
Alexei Vasilievich Haieff, (1914–1994), American composer of orchestral and choral works
Mikhail Vasilievich Ostrogradsky (1801–1862), Ukrainian mathematician, mechanician and physicist
Otto Vasilievich Bremer (died 1873), Russian naturalist and entomologist
Valerian Vasilievich Runkovsky, the mayor of Kamenka in Northern Transnistria
Vasiliy Vasilievich Tishenko, the mayor of Slobodzya in southern Transnistria
Vasily Vasilievich Andreyev (1861–1918), Russian musician responsible for the modern development of the balalaika
Vasily Vasilievich Struve (1889–1965), Soviet orientalist and founder of the Soviet scientific school of researchers on the Ancient East history
Yulian Vasilievich Sokhotski (1842–1927), Polish mathematician
