Providing that only coffee and not other ingredients are present, then yes; otherwise it depends on which country and community you are speaking about as each one has differing laws regarding certification of Halal products.

Example: Some Nescafe Mochas may contain non-halal emulsifiers like E471; however, others used by Nescafe are plant based and therefore considered halal. To be certain about your purchase of Nescafe Mocha, consult its ingredients on the package or call customer service; to be safe it’s also wise to consult local authorities regarding certification requirements as some countries have strict certification criteria in place; ultimately though the decision of purchasing this beverage ultimately rests with each consumer individually!