Telegdy or Telegdi is a Hungarian surname. Notable people with the surname include:
Telegdy (born 1995), Hungarian swimmer György Telegdy (born 1927), Hungarian basketball player István Telegdy (1927–2013), Hungarian sailor and trainer János Telegdy (1575–1647), Hungarian Roman Catholic prelate
Telegdi Andrew Telegdi (1946-2017), Canadian politician Catherine Telegdi (1492-1547), Hungarian noblewoman Csanád Telegdi (d. 1349), Hungarian prelate Thomas Telegdi (d. 1375), Hungarian prelate Valentine Telegdi (1922-2006), Hungarian-American physicist