Ceratinella ornatula is a spider species native to the Canada, Greenland and the United States. It belongs to the family Linyphiidae. The species was first described by C. R. Crosby and S. C. Bishop in 1925 as Ceraticelus ornatulus.
Two subspecies are recognized:
Ceratinella ornatula alaskana is endemic to Alaska, United States, and was described for the first time by Chamberlin in 1949.