The Full form of DK is don't know, or DK stands for don't know, or the full name of given abbreviation is don't know.
DK (don't know)
don't know is known as DK.
DK all full forms
All the above full forms are related to DK. A little information is given about one of these full forms. If you are not satisfied with the information given about 'don't know (DK)', then comment. Or if you know more about 'don't know (DK)', then write.