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