October 29, 2019 Thomas P. Chambers Senior Vice President and Chief Financial Officer Kosmos Energy Ltd. 8176 Park Lane, Ste 500 Dallas, Texas 75231 Re: Kosmos Energy Ltd. Form 10-K for Fiscal Year Ended December 31, 2018 Filed March 1, 2019 File No. 001-35167 Dear Mr. Chambers: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Energy & Transportation