Christapor Mikaelian (Armenian: Քրիստափոր Միքայէլեան) also known by his noms de guerre Hellen (Էլլէն), Topal (Թոփալ), and Edward (Էդուարդ), (1859-1905) was one of the three founders of the Armenian Revolutionary Federation along Stepan Zorian and Simon Zavarian, also part of Armenian national liberation movement.