NASA Outstanding Service Medal

{{Infobox Military Award

|name=NASA Outstanding Service Medal

|image=NASA Oustanding Service Medal.png

|image_size=200px

|caption=NASA Outstanding Service Medal

|presenter= the National Aeronautics and Space Administration

|country= United States

|type=Medal

|eligibility= Government employees

|awarded_for=

|campaign=

|status= Obsolete

|description=

|clasps=

|established=

|firstawarded=

|lastawarded=

|total_awarded= None known

|total_awarded_posthumously=

|total_recipients=

|individual=

|higher= Outstanding Leadership Medal

|same=Exceptional Achievement Medal
Exceptional Service Medal

|lower=Exceptional Scientific Achievement Medal
Exceptional Engineering Achievement Medal
Exceptional Technology Achievement Medal
Exceptional Administrative Achievement Medal
Equal Employment Opportunity Medal

|image2= USA - NASA Outstanding Service Medal.png

|caption2=NASA Outstanding Leadership Ribbon

}}

The NASA Outstanding Service Medal, now obsolete,{{cite journal |title=NASA Outstanding Service Medal |journal=Journal of the OMSA |year=1993 |volume=44 |issue=5 |page=9 |url=https://www.omsa.org/files/jomsa_arch/Splits/1993/6563_JOMSA_Vol44_5_07.pdf |publisher=Orders & Medals Society of America |archive-url=https://web.archive.org/web/20240122125853/https://www.omsa.org/files/jomsa_arch/Splits/1993/6563_JOMSA_Vol44_5_07.pdf |archive-date=January 22, 2024 |url-status=live }} was to be awarded to US government employees only for notably outstanding service which affected technical or administrative programs of NASA.