Over the weekend, the Wisconsin Republican posted a selfie with Republican summer interns to his Instagram page.
Critics noted that virtually all the interns in the photo appear to be white.
A number of Democrats have responded on social media with photos of Democrats' summer interns:
Ryan's office did not immediately respond to ABC News' request for comment on reactions to the photo. The House Democratic caucus and House GOP conference did not return requests for information about intern diversity in House offices.