H
- Mary Rosamund Haas (USA, 1910–1996) Native American and Thai languages
- Soleiman Haim (Iran, 1897–1970) Persian and English bilingual dictionary
- Patrick Hanks (UK, born 1940) English language general, onomastic, and LSP dictionary
- Johann Ernst Hanxleden (Germany/India, 1681–1732) Malayalam, Sanskrit and Portuguese language dictionary
- Orin Hargraves (USA, born 1953) English language dictionary of slang and rhyme
- Alexander Harkavy (Belarus/USA, 1863–1939) Yiddish and English bilingual dictionary
- William Torrey Harris (USA, 1835–1909) philosophy, English language general dictionary
- Reinhard Hartmann (Austria/UK, born 1938) German and English contrastive linguistics, LSP dictionary
- Hamid Hassani (Iran, born 1968) Persian corpus linguistics, Persian dictionary
- Einar Ingvald Haugen (Norway/USA, 1906–1994) Old Norse, Norwegian and English languages
- S.I. Hayakawa (Canada/USA, 1906 – 1992), biographical directory of US Congress
- Benjamin Hedericus (Germany?, 1675–1748) Latin and Greek language dictionary
- Tom Heehler (USA, born 1963) The Well-Spoken Thesaurus
- Michael Heilprin (Poland/USA, 1823–1888) Hebrew and English encyclopedic dictionary
- James Curtis Hepburn (USA/China/Japan, 1815–1911) Japanese and English bilingual dictionary
- Charles George Herbermann (Germany/USA, 1840–1916) English language LSP dictionary
- Hesychius of Alexandria (Greece, 5th century) Ancient Greek language lexicon
- Johann Christian August Heyse (Germany, 1764–1829) German language dictionary of loanwords
- Jack Hibberd (Australia, born 1940) English language dictionary of slang
- Aurélio Buarque de Holanda Ferreira (Brazil, 1910–1989) Portuguese language general dictionary
- Francis Holyoake (UK, 1567–1653) English language etymological dictionary
- A. S. Hornby (UK/Japan, 1898–1978) English language learner's dictionary
- John Camden Hotten (UK?, 1832–1873) English language dictionary of slang, A Dictionary of Modern Slang, Cant, and Vulgar Words
- Antônio Houaiss (Brazil, 1915–1999) Portuguese language general dictionary
- Richard Howard (USA, born 1929) French and English language translation
- August Wilhelm Hupel (Germany/Estonia, 1737–1819) Estonian language general dictionary
- Robert Hunter (Encyclopædist) (England, 1823-1897), lead editor of the Encyclopædic Dictionary
Read more about this topic: List Of Lexicographers