Ludwik Michal Pac (May 19, 1778 – August 6, 1835) was a Polish general in the Napoleonic army (1808–1814).
His parents were Michal Józef Pac and Ludwika Tyzenhaus.
Later, he became a senator in Congress Poland from 1825 and became a member of an influential noble family in Russian-ruled Poland.
He took an active part in the November Uprising and was wounded in battle in May 1831.
After the failure of the uprising he returned to France.