Otto Magnus von Stackelberg

Otto Magnus von Stackelberg may refer to:

People

 * Otto Magnus von Stackelberg (1704–1765), Baltic-German statesman and military officer
 * Otto Magnus von Stackelberg (1736–1800), Baltic-German diplomat of the Russian Empire
 * Otto Magnus von Stackelberg (1786–1837), Baltic-German archaeologist, painter and art historian
 * Otto Magnus von Stackelberg (1867–1947), Baltic-German genealogist, administrative lawyer and author