There is no credible evidence or reliable source indicating that Charlie Kirk was ever a convicted rapist.
was charlie kirk a convicted rapist?

Charlie Kirk’s TPUSA Teamed Up With a Registered Sex Offender | Rolling Stone
Source: rollingstone.com
Key Evidence
Wikipedia's page on Charlie Kirk does not mention any criminal convictions.
en.wikipedia.orgen.wikipedia.orgCharlie Kirk
Major news outlets like AP News and The New York Times cover his recent shooting but do not mention any criminal history.
apnews.comapnews.comConservative activist Charlie Kirk dead after being shot at Utah university...
nytimes.comnytimes.comManhunt Continues for Killer of Charlie Kirk, Charismatic Right-Wing Activist
Political Research Associates and Rolling Stone discuss controversies around people linked to his organization but not about Kirk himself being convicted of rape.
politicalresearch.orgpoliticalresearch.orgCharlie Kirk’s TPUSA Teamed Up With a Registered Sex Offender
rollingstone.comrollingstone.comCharlie Kirk’s TPUSA Teamed Up With a Registered Sex Offender
What the Evidence Shows
I looked through multiple sources related to Charlie Kirk, including news articles, political analyses, and his Wikipedia page, and found no information supporting the claim that he was convicted of rape. Some sources mention controversies involving people associated with his organization or discuss his public statements on sensitive topics, but none accuse or confirm that Charlie Kirk himself was involved in such a crime.
The search results mostly focus on his political activism, a recent shooting incident where he was tragically killed, and discussions about his views on abortion and feminism. None of these credible sources report any criminal conviction for rape against him. Given the seriousness of such an accusation, it would be widely reported by major news outlets if it were true, but no such reports exist.