Sergei or Sergey Tereshchenko or Tereschenko (Russian: ) may refer to:

Sergey Tereshchenko (1951–2023), Kazakhstani politician Sergei Tereshchenko (born 1984), Russian footballer Sergei Tereschenko (born 1991), Russian ice hockey defenceman

See also Sergey Tereshchenkov (1938–2006), Soviet cyclist