Ensign McFarlane was a Starfleet officer serving aboard Enterprise NX-01 during its mission in the Delphic Expanse in 2153.

After six weeks in the Expanse, McFarlane was injured while working in cargo bay two, the result of an encounter with one of the spatial anomalies found throughout the region. (ENT: "The Xindi")

This character was only mentioned in dialogue.