| Term | Full Form | Category |
|---|---|---|
| OASN | Ohio Aging Services Network | Others |
| OASN | Ohio Association of School Nurses | Others |
| OASN | On A Sensual Note | Others |
| OASN | Oral Allergy Syndrome Network | Others |
| OASN | Origin Application Schedule Number | Others |
| OASN | Outreach autism Services Network | Others |
| OASN | Sheghnan, Afghanistan | Others |