An international joint lecture on Fluid Dynamics was conducted for students of Shibaura Institute of Technology (SIT), Japan, and Institut Teknologi Sepuluh Nopember (ITS), Indonesia. has been delivered by Dr. Dita Puspitasari (SIT) and Dr. Retno Asih (ITS), the lecture aimed to introduce fundamental concepts of fluid dynamics and heat transfer to participating students, fostering cross-cultural academic engagement and collaborative learning between the two institutions.