On 27 January 2011, Carroll joined Leyton Orient on loan until the end of the 2010–11 season. Carroll's senior debut was in a 1–1 draw at Bournemouth on 5 February, and he totalled 14 appearances, including two games versus Arsenal in the FA Cup."Leyton Orient 1–1 Arsenal" BBC Sport. 20 February 2011. Retrieved 11 January 2012."Arsenal 5–0 Leyton Orient" BBC Sport. 2 March 2011. Retrieved 11 January 2012.
