Alexander Marc Ruoff (born August 29, 1986) is a retired American professional basketball player who is an assistant coach for the Greensboro Swarm of the NBA G League.

He attended Central High School in Brooksville, Florida, where he was a four-year varsity player.

Among other accolades, Ruoff earned all-state honors, Hernando County player of the year, and was nominated as a McDonald's All-American.

Ruoff was the first Hernando County Boys' basketball player to sign with a division one university.

Ruoff was considered as "arguably the greatest boys basketball player to ever come out of Central High School".

After the highly touted senior class, led by Kevin Pittsnogle and Mike Gansey, graduated from West Virginia, Ruoff took over at the shooting guard position and started every game.

Then in the NIT tournament, Ruoff had his first career double-double with 15 points and 11 assists against North Carolina State.

With the addition of new head coach Bob Huggins, Ruoff and the Mountaineers began hot in his junior season of 2007.

In an 88–59 victory over Auburn, Ruoff scored a career-high 28 points, also adding 3 steals and 3 assists, and 2 rebounds.

In the first round of the NCAA tournament, Ruoff scored 21 points and grabbed 3 rebounds as the Mountaineers defeated the #10-seed Arizona Wildcats.

In the second round upset over the #2-seed Duke Blue Devils, 73–67, Ruoff scored a key 17 points and grabbed 6 rebounds.

[7][8] Ruoff returned to action in the 82–46 victory over Miami University, totaling 15 points, 8 assists, 4 rebounds, and 3 steals.

[5] Ruoff broke WVU's school record for 3-point shots made in a game against Radford with 9, on his way to scoring a career high 38 points.

Ruoff then had 24 points, 6 assists, and 5 rebounds in the win over Providence, reaching the 20-point mark for the first time in 11 games.

In the win over DePaul he then had 20 points with six 3-pointers, typing himself at first place on WVU's all-time 3-point field goals list with Kevin Pittsnogle.

In the second round matchup of the Big East tournament against Notre Dame, Ruoff scored a team-high 25 points - breaking the school record for all-time 3-point shots made.

In the quarterfinals round, a 74–60 victory over #2 Pittsburgh Panthers, Ruoff scored 18 points with 2 rebounds and assists.

However, the Mountaineers lost in the first round of the NCAA tournament to Dayton, 68–60, with Ruoff scoring 9 points with 5 rebounds - only playing 24 minutes before fouling out.

[15] The 2016–17 season Ruoff started with MHP Riesen Ludwigsburg but left the club on October 14, 2016, after appearing in five games.

[4] He returned to West Virginia for the 2022–23 season, where he became a Graduate Assistant, while pursuing a master's degree in sport management.