Grotz is a German language habitational surname for someone living by a pine forest.[1][2] Notable people with the name include:
Approximately 3,018 people bear this surname.
South German:: (Bavaria): Topographic name for someone living by a pine forest, from grotz 'pine forest'. Nickname from Alemannic and Swabian grotz 'little man shrimp', originally 'butt end' (e.g. of an apple).