Yes, we do have and some Muslim Mosques in Vietnam from Hanoi to Saigon as following:
Masjid Musulman Ho Chi Minh City
Add: 66, Dong Du, phường Ben Nghe, Quan 1, Vietnam
Masjid An-Noor Hanoi
Add: 12 Hang Luoc, Hanoi, Vietnam
Phone: +84 985111700
Jamia Al Sa\'adah Mesjid Ho Chi Minh City
Add: 45/67 Binh Tien St. Dist 6, Ho Chi Minh City, Vietnam
Jamia Al Muslimin (Dong Du Mosque) Ho Chi Minh City
Add: Dong Du Street, District 1, Ho Chi Minh City, Vietnam
Jamia Al Masjid Ho Chi Minh City
Add: 641 Nguyen Trai St, District 5, Ho Chi Minh City, Vietnam
Jamia Al Anwar Ho Chi Minh City
Add: 157 B/09 Duong Ba Trac ST,Dist 8, Ho Chi Minh City, Vietnam
Indian Jamia Muslim Masjid Ho Chi Minh City
Add: 66 Thai Lap Thanh, Ho Chi Minh City, Vietnam
Haiyat Al Islam Ho Chi Minh City
Add: 317/75 Cach Mang Thang Tam St, Dist 10, Ho Chi Minh City, Vietnam
Dong Du Mosque Ho Chi Minh City
Add: 66 Dong Du Street, District 1, Ho Chi Minh City, Vietnam
Al Rahim Ho Chi Minh City
Add: 45 Nam Ky Khoi Nghia St. Dist 1, Ho Chi Minh City, Vietnam