SS Weser can refer to any of three ships originally owned and operated by North German Lloyd:
- SS Weser (1858), built in 1858
- SS Weser (1867), built in 1867
- SS Weser (1922), built in 1922
It can also refer to a Bugsier Reederei und Bergungs ship
- SS Weser (1910), built in 1910
It can also refer to a number of German fishing boats and vorpostenboote
- FV Weser (BX 267), later V 301 Weser
- FV Weser (BX 178), later ON 117, PG 467 and V 304 Breslau