Johann Georg Christian, Prince of Lobkowitz (Czech: Jan Jirí Christian z Lobkovic; August 10, 1686 in Prague – October 4, 1755 in Vienna), was an Austrian Generalfeldmarschall (field marshal).
He was a member of the old Bohemian noble family of Lobkowicz, of which family he established a cadet branch, the Horín-Melník line.