Gurdwara Nanak Darbar Sahib is a Sikh gurdwara in Olathe, Kansas. It welcomes all who choose to attend and offers langar, a free meal served in the Langar Hall. The Darbar Hall hosts Guru Granth Sahib Ji, where the congregation gathers to listen to verses from the Sikh scripture and meditate on the teachings of the ten Sikh gurus.