Aleksiev (masculine, ) or Aleksieva (feminine, ), also transliterated as Alexiev or Alexieva, is a Bulgarian surname. Notable people with the surname include:
Boyko Aleksiev (born 1963), Bulgarian figure skater Dimitar Aleksiev (born 1993), Bulgarian footballer Elena Alexieva (born 1975), Bulgarian writer Evgueniy Alexiev (born 1967), French opera singer Metodi Aleksiev (1887–1924), Bulgarian revolutionary Rayko Aleksiev (1893–1944), Bulgarian painter and writer Todor Aleksiev (born 1983), Bulgarian volleyball player
See also Aleksiev Glacier, a glacier of Graham Land, Antarctica