Alexandre Pliușchin (Russian: Александр Плюшкин, Romanian: Alexandru Pliușchin; born 13 January 1987) is a Moldovan former professional road bicycle racer, who rode professionally between 2008 and 2015. He still competes as an amateur, having last rode for Abu Dhabi CC in 2023. He is a four-time National Road Race Champion; winning in 2008, 2010, 2011 and 2012. Pliuschin also represented Moldova in the 2008 Olympic Games in Beijing, having participated in the Men's Road Race and the Men's Individual Pursuit.

On 25 February 2015, Pliușchin's Synergy Baku team announced it had suspended him for a non-negative test for salbutamol at the 2014 Sharjah International Cycling Tour, a race he won whilst riding for Skydive Dubai Pro Cycling.