Is the Atlassian Cloud products FEDRAMP approved, or is there a 3rd party provider that provides a instance JIRA and Confluence in a FEDRamp approved cloud implementation?

[Nic Brough -Adaptavist-]

As we're end-users like yourself, anything we tell you can't really be taken as auditable confirmation.

Raise this with Atlassian support at https://support.atlassian.com and you will get an authoritative answer.