Issac Vanmalsawma Chhakchhuak (born 15 September 1996) is an Indian professional footballer who plays as a central midfielder.
In 2016–17 I-League season, Lajong coach Thangboi Singto used Isaac as offensive midfielder and sometimes as a right winger.
Isaac was instrumental part of Shillong Lajong squad which showed decent performance throughout 2016–17 season.
Isaac has been included in the national team setup since a very young age and is a very versatile player, playing either on the wing or as offensive midfielder.
Isaac was called for India senior team camp for AFC Asian Cup Qualifiers match against Kyrgyzstan.