Zaa

• Zaanen, Adriaan Cornelis (Netherlands, 1913–2003)
• Zababakhin, Yevgeny (Soviet Union/Russia, 1917–1984)
• Zaborowski, Ignacy (Poland, 1754–1803)
• Zach, Richard (?, ?–?)
• Zachos, Stathis (Greece, born 1947)
• Zacuto, Abraham (Portugal, 1452–1515)
• Zadeh, Lotfi A. (Azerbaijan/Iranian Azerbaijan/USA, 1921–2017)
• Zadunaisky, Pedro E. (Argentina, 1917–2009)
• Zafarani, Jafar (Iran, born 1947)
• Zagier, Don (USA, born 1951)
• Zaharescu, Alexandru (Romania, born 1961)
• Zahedi, Mohammad Mehdi (Iran, born 1953)
• Zahedi, Sara (Iran/Sweden, born 1981)
• Zähle, Martina (Germany, ?–?)
• Zahradnik, Karel (Czech Republic, 1848–1916)
• Zahradník, Miloš (Czech Republic, ?–?)
• Zając, Józef (mathematician) (?, born 1947)
• Zajączkowski, Władysław (Poland, 1837–1898)
• Zak, Fyodor (Russia, born 1949)
• Zakai, Moshe (?, 1926–2015)
• Zakalyukin, Vladimir (Russia, 1951–2011)
• Zakeri, Hossein (Iran/Iranian Azerbaijan, born 1942)
• Zakharov, Vladimir (mathematician) (Russia, ?–?)
• Zakrajšek, Egon (Slovenia, 1941–2002)
• Zalcman, Lawrence (Israel, ?–?)
• Zalcwasser, Zygmunt (Poland, 1898–1943)
• Zalgaller, Victor (Israel/Russia/Soviet Union, 1920–2020)
• Zalts, Karlis (Latvia, 1885–1953)
• Zaman, Arif (Pakistan, ?–?)
• Zamansky, Marc (France, 1916–1996)
• Zame, William (USA, ?–?)
• Zamosz, Israel (?, ?–1772)

Zan

• Zanna, Antonella (Italy/Norway, ?–?)
• Zannier, Umberto (Italy, born 1957)
• Zantema, Hans (Netherlands, born 1956)
• Zappa, Guido (Italy, 1915–2015)
• Zarankiewicz, Kazimierz (Poland, 1902–1959)
• Zarantonello, Eduardo Héctor (Argentina, 1918–2010)
• bey Zardabi, Hasan (Azerbaijan, 1837–1907)
• Zaremba, Stanisław (Poland, 1863–1942)
• Zaremba, Wojciech (Poland, born 1988)
• Zariphopoulou, Thaleia (Greece, born 1962)
• Zariski, Oscar (USA, 1899–1986)
• al-Zarqālī, Abū Isḥāq Ibrāhīm (Medieval Arabia, 1029–1087)
• Zarzecki, Lucjan (Poland, 1873–1925)
• Zaslavsky, Claudia (USA, 1917–2006)
• Zaslavsky, Thomas (USA, born 1945)
• Zaslow, Eric (USA, ?–?)
• Zassenhaus, Hans (Germany, 1912–1991)
• Zawirski, Zygmunt (Poland, 1882–1948)
• Zayed, Ahmed I. (USA, ?–?)
• Zaytsev, Fedor (Russia, ?–?)
• Ždanoka, Tatjana (Latvia, born 1950)
• Żebrawski, Teofil (Poland, 1800–1887)
• Zebrowski, Thomas (Lithuania, 1714–1758)
• Zech, Julius August Christoph (Germany, 1821–1864)
• Zeckendorf, Edouard (Belgium, 1901–1983)
• Zeeman, Christopher (Britain, 1925–2016)
• Zeeman, Mary Lou (Britain, ?–?)
• Zehan, Jiang (China, 1902–1994)
• Zehnder, Eduard (Switzerland, ?–?)
• Zeilberger, Doron (Israel, born 1950)
• Zeitouni, Ofer (Israel, born 1960)
• Zeitz, Paul (?, born 1958)

Zek

• Zeki, Salih (Turkey, 1864–1921)
• Zelevinsky, Andrei (Russia/Soviet Union, 1953–2013)
• Zelikin, Mikhail (Russia/Soviet Union, born 1936)
• Zeller, Christian (Germany, 1822–1899)
• Zeller, Karl Longin (Germany, 1924–2006)
• Zellner, Arnold (USA, 1927–2010)
• Zellweger, Shea (USA, 1925–2022)
• Zelmanov, Efim (Russia/Soviet Union, born 1955)
• Zemgalis, Elmārs (USA, 1923–2014)
• Zenger, Christoph (Germany, born 1940)
• Zeno of Elea (Ancient Greece, 495 BC–430 BC)
• Zeno of Sidon (Ancient Greece, 150 BC–75 BC)
• Zenodorus (Ancient Greece, 200s BC–140s BC)
• Zerbes, Sarah (Germany/Britain, born 1978)
• Zermelo, Ernst (Germany, 1871–1953)
• Zervos, Mihail (Greece, ?–?)
• Zetzsche, Karl Eduard (Germany, 1830–1894)
• Zeuthen, Hieronymus Georg (Denmark, 1839–1920)
• Zhang, Heng (China, 78–139)
• Zhang, Ping (graph theorist) (?, ?–?)
• Zhang, Shou-Wu (China, born 1962)
• Zhang, Wei (China, born 1981)
• Zhang, Yitang (USA/China, born 1955)
• Zhao, Hongkai (China, ?–?)
• Zhao, Ke (China, 1910–2002)
• Zhegalkin, Ivan Ivanovich (Russia, 1869–1947)
• Zheng, Yuliang (?, ?–?)
• Zhenyi, Wang (astronomer) (China, 1768–1797)
• Zhilina, Rozetta (Soviet Union, 1933–2003)
• Zhiming, Chen (China, born 1965)

Zho

• Zhou, Xin (?, ?–?)
• Zhu, Chen-Bo (China, born 1964)
• Zhu, Shijie (Medieval China, 1249–1314)
• Zhu, Xinwen (China, ?–?)
• Zhu, Zaiyu (China, 1536–1611)
• Zhukovsky, Nikolay (scientist) (Russia, 1847–1921)
• Zhuoxin, Yang (China, 1890–1963)
• Zhuravlyov, Yuri (Russia/Soviet Union, 1935–2022)
• Ziegler, Günter M. (Germany, born 1963)
• Ziegler, Tamar (Israel, ?–?)
• Zienkiewicz, Olgierd (Poland, 1921–2009)
• Zieschang, Heiner (Germany, 1936–2004)
• Zijm, Henk (Netherlands, born 1952)
• Zilber, Boris (Soviet Union/Russia, born 1949)
• Zimányi, Magdolna (Hungary, 1934–2016)
• Zimmer, Robert (USA, born 1947)
• Zimmermann, Johann Jacob (Germany, 1644–1693)
• Zimmermann, Paul (France, born 1964)
• Zinger, Vasili Yakovlevich (Russia, 1836–1907)
• Zink, Robert (USA, ?–2020)
• Zink, Thomas (Germany, born 1949)
• Ziółko, Mariusz (Poland, born 1946)
• Zipf, George Kingsley (USA, 1902–1950)
• Zippin, Leo (USA, 1905–1995)
• Ziv, Abraham (Israel, 1940–2013)
• Zizler, Vaclav (Canada/Czech Republic, ?–?)
• Żmurko, Wawrzyniec (Poland, 1824–1889)
• Znám, Štefan (Slovakia, 1936–1993)
• Zolotarev, Yegor Ivanovich (Russia, 1847–1878)
• Zolotov, Yevgenii Vasilevich (Soviet Union, 1922–1990)

Zor

• Żorawski, Kazimierz (Poland, 1866–1953)
• Zorich, Anton (Russia/Soviet Union, ?–?)
• Zorich, Vladimir A. (Russia/Soviet Union, born 1937)
• Zorn, Max August (USA/Germany, 1906–1993)
• Zou, Hui (China/USA, ?–?)
• Zou, Jie-zhong (China, born 1947)
• Zsigmondy, Karl (Austria/Hungary, 1867–1925)
• Zu, Chongzhi (Ancient China, 429–500)
• Zuazua, Enrique (Spain, born 1961)
• Zucker, Steven (?, ?–?)
• Zuckerman, Gregg (USA, ?–?)
• Zuckermann, Benedict (Germany, 1818–1891)
• Zudilin, Wadim (Russia, ?–?)
• Zumbo, Bruno (USA, born 1966)
• Zupi, Giovanni Battista (Italy, 1590s–1650)
• z Żurawicy, Marcin Król (Poland, ?–1460)
• Zuriel, Moses (?, ?–?)
• Zwegers, Sander P. (Netherlands, born 1975)
• van Zwet, Willem (Netherlands, 1934–2020)
• Zwick, Uri (Israel, ?–?)
• Zwicker, William S. (USA, born 1949)
• Zworski, Maciej (Canada, born 1963)
• Życzkowski, Karol (Poland, born 1960)
• Zygalski, Henryk (Poland, 1908–1978)
• Zygmund, Antoni (Poland, 1900–1992)