"Janney" is a surname with a phonetic transcription of /dʒæni/. The first letter "j" represents the voiced palato-alveolar affricate consonant sound /dʒ/. The vowel sound in the first syllable is represented by the letter "a" with a short pronunciation /æ/. The second syllable is written with a letter "n" representing the voiced alveolar nasal consonant /n/ and the letter "y" representing the voiced palatal approximant /j/. Therefore, "Janney" can be pronounced as "JAN-ee" in English.