Lobachev (feminine: Lobacheva), sometimes transliterated Lobačev, is an East Slavic surname. Notable people with the surname include: Irina Lobacheva (born 1973), Russian ice dancer Leonid Lobachev (born 1966), Belarusian weightlifter Đorđe Lobačev (1909–2002)), Serbian and Russian comics artist
See also Lobach (surname) Lobachevsky