  We present the discovery of three new B[e] supergiants (sgB[e] stars) in the
Small Magellanic Cloud (SMC). All three stars (R15, R38, and R48) were
identified in the course of our Runaways and Isolated O Type Star Spectroscopic
Survey of the SMC (RIOTS4). The stars show optical spectra that closely
resemble those of previously known B[e] stars, presenting numerous
low-ionization forbidden and permitted emission lines such as [Fe II] and Fe
II. Furthermore, our stars have luminosities of log(L/L_sun) > 4, demonstrating
that they are supergiants. However, we find lower infrared excesses and weaker
forbidden emission lines than for previously identified B[e] supergiants. Thus
our stars appear to either have less material in their circumstellar disks than
other sgB[e] stars, or the circumstellar material has lower dust content. We
suggest that these may constitute a new subclass of dust-poor sgB[e] stars.
