STTW

The initialism STTW may stand for:


 * Sabrina the Teenage Witch, a comic book series
 * "Shiyong Tongbu Tongxing Weixing", a family of Chinese communications satellites known operationally as the Dong Fang Hong 2
 * "Shiyan Tongbu Tongxing Weixing", two proof of technology satellites launched as part of the Dong Fang Hong program