No. Jira only allows one assignee at a time.
I understand why - where systems do allow for multiple assignees, you often find everyone says "not my problem, one of the others should be handling it" and nothing gets done, but equally, multiple assignees is very useful.
I usually work around it by using one (or both, or variations on):
I’m a designer on the Jira team. For a long time, I’ve fielded questions from other designers about how they should be using Jira Software with their design team. I’ve also heard feedback from other ...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs