Cognomen อุดสม (Filling 
, อุดสม 
) , worldwide, is a rare surname. The last name อุดสม is habitual in Norway, where it is a rare surname, Sweden, and Thailand. In absolute terms, the name is most common in the United States, Thailand, and Germany. Much less frequently, อุดสม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Filling | Norway, Sweden, United States, Germany, Australia |
| อุดสม | Thailand |