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