HGL Views 13 meanings found HGL may denote the Hudson Investment Group, a computing term for highlight groups, the Hardcore Gamer League, or Hewlett‑Packard’s graphics language used for vector images. Miscellaneous Healthy Gay Life Herman G Lane Human Gastric Lipase Happy Go Lucky Academic & Science Hewlett-Packard Graphics Language image format Hydraulic Grade Line Harvard Geospatial Library Regional Helgoland, Germany Computing Highlight groups definitions (DN) Vector graphics (HP Graphics Language) Hardcore Gamer League Business Hudson Investment Group Ltd Half Gallon