Skudai (also spelled Sekudai) is a rapidly expanding suburb of Johor Bahru, the largest city in and the capital of the state of Johor in southern Malaysia. Skudai is part of the new growth corridor of southwest Johor, which includes the Senai International Airport, Tanjung Pelepas Port and the proposed new administrative capital of Johor, Bandar Nusajaya. Its population ranges between 160,000 and 210,000. It is the headquarters of the Johor Bahru Central Municipal Council and it is home to the Universiti Teknologi Malaysia campus.
Skudai is located 8 km, 4 km and 16 km from Kulai, Senai and Johor Bahru city (bandaraya) respectively.
Nearby towns and housing areas are Taman Universiti, Taman Sri Skudai, Taman Desa Skudai, Taman Sri Putri, Taman Ungku Tun Aminah, Taman Pulai Utama, Mutiara Rini, Taman Melawati, Taman Damai Jaya, Taman Nesa, Taman Nesa 2, Taman Bukit Gemilang, Taman Impian Skudai, Taman Sutera Utama, Bandar Selesa Jaya, Taman Bukit Indah, Taman Timor, Taman Seri Orkid, Taman Tan Sri Yaakob, Taman Jaya, Taman Skudai Baru, Taman Pulai Utama, Taman Pulai flora, Taman Skudai Indah, Taman Nusa Bestari, Taman Nusa Bestari 2, Taman Skudai Ria and Taman Impian Emas.
Mas Selamat bin Kastari of the Jemaah Islamiah terrorist organisation was a most wanted fugitive who escaped from Singapore police custody. He was recaptured in the vicinity of Skudai in April 2009.