nˈɪkəlˌaɪ vlˌædɪmɪɹˈoʊvɪtʃ dˈɑːl, ˈɔfən kˈɔːld nˈɪkəlˌaɪ dˈɑːl dʒuːlˈaɪ sˈɛvəntˌiːn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd sˈɪksti nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi nˈaɪn wʌzɐ ɹˈʌʃən ˈɛmpaɪɚ fɪzˈɪʃən.
Nikolai Vladimirovich Dahl, often called Nicolai Dahl () (July 17, 1860 – 1939) was a Russian Empire physician.