J. Lowry Johnson was a Starfleet officer in the 24th century. Her planet of origin was Alpha Cygnus II. She was a lieutenant in 2369.

In 2369, she was a crew member aboard the USS Enterprise-D. She was one of seventeen individuals who were from worlds outside the Federation. Her proteins were tested by Doctor Beverly Crusher for a possible configuration match with the fragments of a four billion-year old genetic program. The results came back negative. (TNG: "The Chase")

This character was only mentioned in writing.