Erik John Ustruck (born January 4, 1985, in St. Louis, Missouri) is former soccer player for the Guam national football team.

He played for Orlando City in the USL Professional Division before his retirement from club soccer in 2013.

[5] Ustruck made his full professional debut for Dynamo on 10 July 2007, in a US Open Cup third-round game against Charleston Battery.

[7] Ustruck was waived by Houston on March 24, 2010,[8] and signed a one-year contract with the FC Tampa Bay on April 5, 2010.

He was also selected into the Guam National team preliminary squad for the AFC Challenge Cup qualifiers in February 2013.