Gypjak Mosque, also known as the Turkmenbashi Ruhy Mosque, is a prominent mosque located in the capital city of Ashgabat, Turkmenistan. The mosque was built in 2004 to honor the late Turkmen president Saparmurat Niyazov, who was also known as Turkmenbashi, which means "Father of the Turkmens". The mosque is located in the town of Gypjak, which is about 12 km west of Ashgabat, and it is one of the largest mosques in Central Asia.

The mosque is known for its grandeur and its unique architectural design, which features four minarets and a large central dome. The building is made of white marble and can accommodate up to 10,000 worshippers at a time. The interior of the mosque is adorned with intricate decorations and colorful mosaics that depict traditional Turkmen motifs and designs.

The mosque is also home to the mausoleum of Saparmurat Niyazov, who was buried there after his death in 2006. The mausoleum is located beneath the mosque and is accessible by a set of stairs. The tomb of Turkmenbashi is a popular tourist attraction and is visited by many people who come to pay their respects to the late president.