As of now, one salesforce can only integrate to one JIRA Cloud. This feature request is to allow multiple JIRA Cloud into one Salesforce
Note: user can integrate one JIRA to many Salesforce,
|Hosting platform||Cloud, Server|
Thank you everyone for contributing to this idea. We have promoted this idea to be added for this year's roadmap. I will update more in the coming months about the likely timeline. We have a few big epics for our Salesforce Package that needs to be shipped in prior so we can pave the way for this feature.
Aidin - Product Manager of the Connector for Salesforce and Jira.