Question: Who's won the most premierships in afl?
Disambiguated questions and answers: question: Who's won the most men's premierships in vfl/afl?
Who's won the most men's reserves premierships in vfl/afl?
Who's won the most men's under-19s premierships in vfl/afl?
Who's won the most women's premierships in afl?
answer: Carlton
Essendon
Essendon and Carlton
Melbourne
Richmond
Adelaide
Natural Questions answer: Essendon
Carlton (from the Wikipedia article "List of Australian Football League premiers")