Naftali Tzvi Halberstam (Hebrew: ר' נפתלי צבי הלברשטאם, June 10, 1931 – March 23, 2005) was the fourth Grand Rebbe of Bobov.

He succeeded his father, Shlomo Halberstam, as Grand Rebbe from August 2000 until March 2005.

Halberstam, who was described by Samuel Heilman as "[living] in the shadow of his father" during this period,[7] also had a half-brother, Ben Zion.

[8] Upon his father's death in 2000, Halberstam became the Grand Rebbe of Bobov in Borough Park, Brooklyn, at age 69.

[8] Ill with Parkinson's disease, he died on March 23, 2005[8] and was buried next to his father in Floral Park Cemetery, in Deans, New Jersey.