Annan Is A Boys Name Of Celtic Origin, Meaning "from The Brook." It Was Originally A Scottish Surname And Has Become A Popular Choice As A First Name In Recent Years. Annan Shares Arabic Roots Too, Where It Signifies "cloud Or Vapour." It Is A Popular Name Among The Muslim Community, Though Sometimes Interpreted As Meaning "sluggish." However, Dont Be Put Off By This Seemingly Negative Connotation. Think Of Your Precious Annan As A Refreshing Addition To Your Life, Bringing The Peace Of A Babbling Brook And The Softness Of A Cloud To Your Heart!