Garbage disposal wiring
Yes, it does, under 2014 code. You may find outdated articles claiming it does not - they are outdated.

210.8(A)(7)  Any 125V 15 or 20 A receptacle within 6 feet of the outside edge of a sink (shortest path) requires GFCI protection

Used to have an exception for dwelling kitchens (up to 2011) does not now (2014 forward.) Other than dwellings was required in 2008.