Magaziner (Magasiner) Yakov (Jakov) Samoilovich (23 October 1889, Zvenigorodka, Ukraine – 30 May 1941, Kiev) – violinist, teacher.

From 1898 to 1903, Yakov Magaziner studied at a music school in Odessa. In 1908, he graduated from the Leipzig Conservatory (under H. Zitt), and in 1911, from the St. Petersburg Conservatory (under I. R. Nalbandian). He played in symphony orchestras in Leipzig, St. Petersburg, Riga, and Baku; and in Moscow he was the second concertmaster of S. A. Koussevitzky's orchestra. In 1910-13 he worked at G. Gizhitsky's Riga Music School and at the Music School of the Imperial Russian Music Society. Among his students were the first Latvian violinists A. Berzins, V. Taube, and others.

From 1922, Yakov Magaziner was a professor at the Kiev Conservatory. He was interested in Jewish musical folklore. He edited a number of violin concertos (V. Kosenko, A. Znosko-Borovsky). Honoured Artist of the Ukrainian SSR (1938).