Is it racist to tell someone they have a china doll face?

No. China dolls aren't so named because of anything to do with China except porcelain.

Hmmm...I don't think the racism is the thing you should worry about...

No only if you tell them they look like a Chink and ask how they see out of those eyes.

Nope, a lot of people nowadays don't know what racism is.

In this politically correct world it might be. 🙁

I think most dolls are made in China

Depends on how you know them and how they perceive this. Gray area.