Ruhlmann, Ruhlman, Rühlmann, Ruehlmann is a surname. Notable people with the surname include:
Émile Ruhlmann (rower) (1897–1975), French athlete Émile-Jacques Ruhlmann (1879–1933), French furniture designer and interior decorator Eugene P. Ruehlmann (1925–2013), American lawyer and politician François Ruhlmann (1868–1948), Belgian conductor Michael Ruhlman (born 1963), American author, home cook and entrepreneur Vanina Ruhlmann-Kleider (born 1961), French physicist