Mengelberg is a surname. Notable people with the surname include:
- Augustin Mengelberg (1710âÂÂ1763), abbot of Kloster Heisterbach
- Egidius Mengelberg (1770âÂÂ1849), German portrait painter
- Friedrich Wilhelm Mengelberg (1837âÂÂ1919), German-Dutch sculptor, grandson of Egidius Mengelberg
- Heinrich Otto Mengelberg (1841âÂÂ1891), German sculptor, brother of Friedrich Wilhelm Mengelberg
- Karel Mengelberg (1902âÂÂ1984), Dutch composer and music writer, nephew of Willem Mengelberg
- Käthe Bauer-Mengelberg (1894âÂÂ1968), German sociologist, sister of Rudolf Mengelberg
- Misha Mengelberg (1935âÂÂ2017), Dutch jazz pianist and composer, son of Karel Mengelberg
- Otto Mengelberg (1817âÂÂ1890), German portrait and historical painter, son of Egidius Mengelberg
- Otto Maria Maximiliaan Mengelberg (1868âÂÂ1934), Dutch sculptor and stained-glass artist, son of Friedrich Wilhelm Mengelberg
- Rudolf Mengelberg (1892âÂÂ1959), Dutch composer, musicologist and chief executive of the Concertgebouw Orchestra, nephew of Willem Mengelberg
- Willem Mengelberg (1871âÂÂ1951), Dutch conductor of the Concertgebouw Orchestra, son of Friedrich Wilhelm Mengelberg