Sterneck is a surname. Notable people with the surname include:

Esta Sterneck, German molecular biologist

Maximilian Daublebsky von Sterneck (1829–1897), Austrian admiral Moritz Daublebsky-Sterneck (1912–1986), Austrian Righteous Among the Nations Robert von Sterneck (1839–1910), Austro-Hungarian army officer, astronomer, and geodesist

See also Cape Sterneck Sterneck Island