Paul Mandelstamm (Born Fayvush Mandelstamm; ; Latvian: Pauls Mandelštams; Russian: ????? ??????????? (?????? ????????) ???????????, romanized: Pavel Grigor'evic (Fajvel Girševic) Mandel'štam; 19 September [O.S.
7] 1872 – 1941) was a Baltic German-Jewish architect, working mainly in present-day Latvia.