Lapshin (, from лапша meaning noodles) is a Russian masculine surname, its feminine counterpart is Lapshina. It may refer to
Igor Lapshin (born 1963), Russian triple jumper Konstantin Lapshin, London-based Russian pianist Mikhail Lapshin (1934–2006), Russian former President of the Altai Republic Pavlo Lapshyn, Ukrainian terrorist Sergei Lapshin (born 1974), Russian football coach and a former player Timofey Lapshin (born 1988), South Korean biathlete.
See also My Friend Ivan Lapshin, a 1984 Soviet criminal drama film