| Jacob Knaani | |
| Native Name: | יעקב כנעני |
| Native Name Lang: | he |
| Birth Place: | Chișinău, Russian Empire |
| Death Place: | Jerusalem, Israel |
| Nationality: |  Israel |
| Occupation: | Lexicographer |
Jacob Knaani (1894–1978) was a Bessarabia born, later Israeli, lexicographer.[1]
He is not to be confused with another Hebrew lexicographer, Judah Even Shemuel, who also had the German-Yiddish surname Kaufmann, and whose English-Hebrew dictionary was known as the Kaufmann Dictionary.