Alexander Harkavy (Yiddish: ????????? ???????????, Russian: ????????? ???????, Aleksandr Garkavi; May 5, 1863 at Nowogrudok (Yiddish: ??????????????), Minsk guberniya (governorate), Russian Empire (now Navahrudak, Hrodna Voblast, Belarus) - 1939 in New York City) was a Russian-born American writer, lexicographer and linguist.