Hetty is a ♀ female name.
Hetty is a short form of the Old German names Hedwig or Henrietta/Henriette, which derived from the name Heinrich.
Hetty means “home ruler” (from Germanic “hagan” = enclosure or “heim” = home + “rihhi” = powerful/rich/mighty/ruler) and “warrior in the war” (from Germanic “hadu” =combat/battle + “wig” = war/battle).