Quick answer
Atsuko is a girl name.
Meaning and history
From Japanese 温 ( atsu ) meaning "warm", 篤 ( atsu ) meaning "deep, true, sincere" or 敦 ( atsu ) meaning "honest" combined with 子 ( ko ) meaning "child". Other kanji combinations are possible.
Notes and context
Usage: japanese | Japanese Hiragana: あつこ; Japanese Katakana: アツコ