There are three bands named the Beatniks, (1) japanese, (2) brazilian and (3) norwegian:
(1)
Yukihiro Takahashi (of YMO fame) and Keiichi Suzuki of the Moon Riders sometimes collaborated as the a duo The Beatniks, although Suzuki essentially functioned as a member of Takahashi's backing band during the Moon Riders' brief hiatus).
(2)
Well, there are not much infos around for records or even the band. All that is known, that the are from Brazil.

Read more about The Beatniks on Last.fm.