The short answer is yes, but... These airguns are so quiet you won't need one. However, for louder airguns, let's continue.
While dedicated airgun suppressors are not regulated at the federal level in the USA by the BATF (Bureau of Alcohol Tobacco and Firearms) they may be regulated by laws at your state or local level, or in your country if you live outside of the USA.
Firearm suppressors are regulated by the BATF and require a special tax stamp, and an extensive background check, they also use a different thread pitch than airgun suppressors to deter the use of non-firearm designs being interchangeable.
Some airguns that don't come with suppressors from the factory may have threaded muzzles or replacement muzzle caps that are threaded 1/2 UNF for airgun suppressors.
Some airgun designs that do not have threads or can not be threaded because of their sights or sheet metal or plastic barrel shrouds can be fitted with aftermarket suppressors that have been designed and tested by enthusiasts using 3D printers.
The 3D-printed suppressors will be made from plastic, and the end that attaches to the rifle can be designed and printed to fit almost any airgun on the market from a $30 Daisy to a $3000 Daystate.
But before purchasing a suppressor for your airgun, check with your local municipality to see what the laws are in your area.