Halkin (surname)
The surname Halkin may have several possible origins. It may be derived from the diminutive Halkin produced by adding the diminutive suffix "-kin" to the pet name "Hal" for Henry. It may be a Polish-Jewish matronymic surname derived from the first name Halka (Галька), a diminutive/deprecative form of Halina/Galina. It may also be an English transliteration of the Belarusian or Ukrainian form of the Russian surname Galkin. Notable people with the surname include:
Adele Halkin, a plaintiff of the Halkin v. Helms case, United States
 Hillel Halkin
Oleh Halkin
Simon Halkin
Léon Halkin
Léon-Ernest Halkin

Barry Halkin, musician from  The Notekillers

References