Rapamune generic name?

What is the generic name for Rapamune?

Rapamune is the brand name for sirolimus.[1]

Is Rapamune the same as “rapamycin”?

Yes. Sirolimus is also commonly referred to as rapamycin (same drug, different naming used in different contexts).[1]

What are common “generic” variations you might see?

In practice, products marketed as generic versions of Rapamune would still list the active ingredient as sirolimus.[1]

Sources
[1] https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm?event=overview.process&ApplNo=019943