The GCA Wetlark was a starship in active service in the late 2360s.

In 2369, the Wetlark was named on the chart "Sector Ipai Relay Log - Relay Message Flow 1293" in Relay Station 47 Ops. This ship, from its position in Sector 23001, sent a message to a number of relay stations via commercial five. The ship's next mission was in starbase construction in a named sector. (TNG: "Aquiel", production art)

This starship was only mentioned in writing.