Sergey or Sergei Abramov may refer to:

• Sergei Abramov (futsal player) (born 1990), Russian futsal player
• Sergei Abramov (ice hockey, born 1956), Russian ice hockey player and coach
• Sergei Abramov (ice hockey, born 1959), Russian ice hockey player
• Sergei Abramov (ice hockey, born 1993), Russian ice hockey player
• Sergei Abramov (mathematician) (born 1957), Russian mathematician
• Sergey Abramov (politician) (born 1972), Moscow-based executive of Russian Railways and a former politician
• Sergey Abramov (politician, born 1957), Russian politician and chairman of the Magadan Oblast Duma