What kind of paint do I use to repaint a fridge doors?

Appliance paint! Sold at hardware stores, home improvement centers, paint stores.

I agree with the appliance paint.

I repainted all the appliances at my nieces house and was happy with the results! You can see how I did it here: https://thehoneycombhome.com/how-to-paint-appliances-stainless-steel/