This is a (hopefully) complete list of the bolt-action rifles used by the Wehrmacht, compiled by Antonio Pena with additional info from the other members of the forum.

G-98
G-221/223 (Jugoslavians) War reparations after WWI
G-299 or 98 (Polish) idem
Gewehr 24 (Czech) build under licence
Gew 29/40 (Austrian)
Gew 262 (Belgian)
Gew 289 (Polish)
Gew 290/298 (Jugoslavian) build under licence
Gewehr 98/40 (original 8 mm Huzagol 35M from Hungary)
Gewehr 33/40 (manufactured in CZ Brno or Waffenfäbrik Brno)
Gewehr 98 (ö) (Austrian Repetier Gewehr 1895 in 8 mm)
Gewehr 306 (Greek, Italian or jugoslavian G-9
Gewehr 294 (ex G-98 recalibrated by the jugoslavians to 7.9)
Gewehr 33 (Musketon vz 16/33 the standard Czech Army carbine)
Gewehr 209 (Italian Fucille modelo 38 in 6.5 mm)
Gewehr 210 (Italian Fucille modelo 41 in 6.5 mm)
Gewehr 211 (Dutch Geweer M95 Manlicher in 6.5 mm)
Gewehr 214 (Italian Fucille modelo 91 in 6.5 mm)
Gewehr 215 (Greek mannlicher-Schönauer Model 03/14 in 6.5 mm)
Gewehr 231 (Italian Fucille modelo 38 in 7.35 mm)
Gewehr 241 (French model 07-15 M34 in 7.5 mm)
Gewehr 242 (French MAS-36 in 7.5 mm)
Gewehr 249 (American Springfield M 03 in 7.62)
Gewehr 252 (Russian Mosin M-91 in 7.62 and Jugoslavian Puska M91R)
Gewehr 254 (Russian Mosin M-91/30 in 7.62)
Gewehr 256 (Russian Mosin M-91/30 in 7.62 with 3.5 telescope)
Gewehr 261 (Belgian Fusil 1889 Mauser in 7.65 mm)
Gewehr 263 (Belgian Fusil 36 Mauser in 7.65 mm)
Gewehr 281 (British Rifle Nº 1 Mk III in 7.7 mm)
Gewehr 301 (French model 1886 transforme 1893 in 8 mm)
Gewehr 302 (French model 1907 transforme 1915 in 8 mm)
Gewehr 303 (French model 1886 racroche 1935 in 8 mm)
Gewehr 304 (French model 1916 in 8 mm)
Gewehr 305 (French model 1907 dit colonial in 8 mm)
Gewehr 307 (Jugoslavian Puska 8 mm M93)
Gewehr 311 (Danish Gevaer m/89-10 in 8 mm)
K-98a
K-492 (Jugoslavian) War reparations after WWI
K-493 (Polish) idem
K-98b
K98k
Karabiner 408 (Italian Moschetto modello 38 in 6.5 mm)
Karabiner 409 (Italian Moschetto modello 91 for cavalry in 6.5 mm)
Karabiner 410 (Italian Moschetto m 91 for technical troops in 6.5 mm)
Karabiner 411 (Dutch Karabijn aantal 1 in 6.5 mm)
Karabiner 412 (Dutch Karabijn aantal 1 OM en NM in 6.5 mm)
Karabiner 413 (Dutch Karabijn aantal 3 OM en NM in 6.5 mm)
Karabiner 414 (Dutch Karabijn aantal 4 OM en NM in 6.5 mm)
Karabiner 411(n) (Norwegian Kavalerikarabin m/1894 in 6.5 mm)
Karabiner 412(n) (Norwegian Kavalerikarabin m/1895 in 6.5 mm)
Karabiner 413(n) (Norwegian Ingenieorkarabin m/1904 in 6.5 mm)
Karabiner 414(n) (Norwegian Artillerikarabin m/1907 in 6.5 mm)
Karabiner 415 (Norwegian Karabin m/1912 in 6.5 mm)
Karabiner 416 (Italian moschetto modello 91/24 in 6.5 mm)
Karabiner 430 (Italian moschetto modello 38 in 7.35 mm)
Karabiner 451 (Belgian Carabine 1889 in 7.65 mm)
Karabiner 453 (Belgian Carabine 1916 in 7.65 mm)
Karabiner 454 (Russian Karabin obr 1938 g in 7.62 mm)
Karabiner 457 (Russian Karabin obr 1944 g in 7.62 mm)
Karabiner 494 (Greek S-95)
Karabiner 497 (Polish Karabinek 91/98/25 in 7.92 mm [ex Mosin])
Karabiner 505 (Italian or jugoslavian S-95)
Karabiner 506/1 (Danish Fodfolkskarabin m/89-24 in 8 mm)
Karabiner 506/2 (Danish Artilleriekarabin m/89-24 in 8 mm)
Karabiner 506/3 (Danish Ingeniorkarabin m/89-24 in 8 mm)
Karabiner 506/1 (Danish Rytterkarabin m/89-24 in 8 mm)
Karabiner 551 (French model 1890 in 8 mm)
Karabiner 552 (French model 1892 in 8 mm)
Karabiner 553 (French model 1916 in 8 mm)
Stützen 95 (ö) (Austrian Repetier-Stützen-Gewehr m-1895 in 8 mm)
VG 1 (Volksturgewehr 1)
VG 2
Volksturmkarabiner 98