Kirshenbaum [ kɝ ː ˌ ʃn̩ baʊm ] is a phonetic alphabet, by which the International Phonetic Alphabet (IPA ) can be represented by 7-bit ASCII code. It was developed in 1991 by a group of around Evan Kirshenbaum, to use it on Usenet, notably the newsgroups sci.lang and alt.usage.english.

The SAMPA developed a few years earlier, in particular the development of X - SAMPA is today known as Kirshenbaum. By constantly enhancing the use of Unicode to which the IPA is instructed to the importance of Kirshenbaum into the background more.