#3 Ryan Giggs - 28 goals
Ryan Giggs has enjoyed a phenomenally successful career at Manchester United. He is the player who holds the all-time record for the highest number of appearances for Manchester United from 1991 to 2014.
Giggs is also a glorious product of Manchester United's famous 'Class of 1992'. Among the trophies they won, their UEFA Champions League win ranks supreme.
Ryan Giggs played as an incisive winger under Sir Alex Ferguson. He was incremental to both Champions League titles Manchester United won in their modern era.
With 145 appearances in the UEFA Champions League, Ryan Giggs scored 28 goals for the Red Devils. He also has a remarkable assists tally of 46.
#2 Wayne Rooney - 30 goals
Wayne Rooney is one of the most decorated goalscorers in the history of Manchester United. He holds the all-time record of being United's leading goalscorer with over 250 goals.
Rooney won the UEFA Champions League in 2008 and was one part of United's attacking trinity also consisting of Cristiano Ronaldo and Carlos Tevez. The trio were among the deadliest in attack in all of European football at the time.
With 30 goals to his name in 85 professional appearances, Rooney sits second on the list of the top five goalscorers for Manchester United in Champions League history.
#1 Ruud van Nistelrooy - 35 goals
Ruud van Nistelrooy is one of the most successful strikers to have graced the modern game. He was often described as a Dutch goal machine for the number of goals he scored at club and international level.
Nistelrooy is a three-time winner of the UEFA Champions League top-scorer award. He also sits as the sixth-highest goalscorer in the competition's history with 56 goals to his name.
For United, Van Nistelrooy scored 35 goals in only 43 appearances in the Champions League, making him the highest goalscorer for the Red Devils in the tournament's history.