Lambertus is a given name.
People with the given name Lambertus
St. Lambertus, canonical name of Bishop Lambert of Maastricht (c. 636-c. 700)
Lambertus Ascafnaburgensis (c. 1024 — c. 1088), German chronicler
Lambertus Danaeus (c.1535-c.1590), French jurist and Calvinist theologian
Lambertus de Harder (1920—1982), Dutch football player
Lambertus de Monte (1430/5–1499), Dutch scholastic and thomist
Lambertus Doedes (1878–1955), Dutch sailor
Lambertus Johannes Folkert Broer (1916–1991), Dutch physicist and mathematician
Lambertus Nicodemus Palar (1900-1981), Indonesian diplomat
Lambertus van Klaveren (1907–1992), Dutch boxer
People with the middle name Lambertus
Alidius Warmoldus Lambertus Tjarda van Starkenborgh Stachouwer (1888–1978), Dutch nobleman and statesman
John Lambertus Romer (1680–1754), British military engineer