How do I cancel a charge labeled "APPLE COM BILL" on my statement?

We cannot know. We are not Apple but rather your fellow end users. We have no more access to Apple databases than you. There is a way you can check it yourself. Start here:

If you see 'apple.com/bill' on your billing statement - Apple Support

The most important part of that article is "View your purchase history." If Apple does NOT show a record of the charges in your history, it is very possible that scammers have gained access to your credit card or bank number and are pretending to be Apple. It happened to us.

If that is the case, Apple will have no record of what criminals do, and only your CARD ISSUER or BANK can remedy it.

⚠️ Important note for reviewing your Apple purchase history: If you are using Family Sharing, make sure you set the "Apple ID" box to the "All" option to get a complete history of purchases Apple shows as made from your account: 

These financial news articles discuss this long-running scam:

https://www.foxbusiness.com/personal-finance/credit-card-statements-scam-charge

https://www.chron.com/business/moneytips/article/Check-Your-Statements-For-This-Long-Running-Scam-13888458.php 

This is a user to user only forum. We would have no clue what you want to cancel. But if you have a subscription from Apple, this link explains how to cancel one --> If you want to cancel a subscription from Apple - Apple Support

Thanks you