No — asking isn’t inherently rude.

What can cause problems is surprising someone with a significant bill after they’ve already agreed to be part of your wedding without discussing it.

Being a groomsman can already involve costs such as a stag weekend, hotel, travel and a wedding gift. Adding an unexpected suit bill can make the commitment expensive.

Communication matters more than etiquette. If you’re planning for everyone to pay for their own suit, mention this early and explain approximately what it will cost.

Quick Verdict: It’s not rude to ask groomsmen to pay for their suits. It can feel unfair, however, if a significant or unexpected cost is introduced after they’ve already committed.