The surname Lammens is associated with a diverse group of notable individuals spanning various fields and nationalities. Many prominent bearers have excelled in sports, including early 20th-century Belgian tennis player Albert Lammens (1890–1933), Canadian ice hockey player Hank Lammens (born 1966), and contemporary Belgian athletes like swimmer Manon Lammens (born 1991) and footballer Senne Lammens (born 2002).

Beyond athletics, the Lammens surname also belongs to influential figures in academia and politics. Among them are Henri Lammens (1862–1937), a distinguished Belgian Orientalist historian and Jesuit, and Matías Lammens (born 1980), a prominent Argentine politician. Collectively, these individuals showcase a wide range of achievements across different eras and professional spheres.