Akibat hukum dari perceraian terhadap anak adalah penentuan hak asuh anak mengenai siapa yang berhak antara ayah dengan ibu untuk mengasuh, mendidik, memelihara, dan melindungi anak sebagaimana diatur dalam Undang-Undang Nomor 23 Tahun 2002 tentang Perlindungan Anak. Penelitian ini bermaksud menjawab dua pertanyaan terkait hak asuh anak. Pertama, pengasuhan anak yang belum mumayyiz kepada bapak pasca perceraian. Kedua, Ratio Decidendi putusan nomor 464/Pdt.G/2020/PA.Trk dan nomor 105/Pdt.G/2017/PA.smn. Penelitian ini merupakan penelitian normatif dengan menggunakan pendekatan konseptual (Conceptual Approach), pendekatan perundang-undangan (Statue Approach), dan pendekatan kasus (Case Approach). Hasil dari penelitian ini penulis menyimpulkan bahwa, pertama pasangan suami isteri yang bercerai hak asuh anaknya dapat jatuh ke tangan ayah, hal ini disebabkan oleh beberapa faktor seperti si ibu memiliki sifat-sifat unmoral, mengacu pada kepentingan anak menurut Undang-Undang Perlindungan Anak, mengacu pada pasal 109 Kompilasi Hukum Islam tentang pencabutan perwalian, dan tidak terpenuhinya syarat-syarat untuk mendapatkan hadhanah mengacu pada Kitab Kifayatul Akhyar Juz II Halaman 94 yang akhirnya hak asuh anak tersebut jatuh ke tangan ayah. Kedua, Ratio Decidendi putusan nomor 464/Pdt.G/2020/PA.Trk dan nomor 105/Pdt.G/2017/PA.smn penetapan majelis hakim memberikan hadhanah anak yang belum mumayyiz kepada ayah karena si ibu dinilai tidak sanggup atau kurang baik untuk diberikan hak asuh anak sebab si ibu telah menikah lagi, telah melalaikan kewajibannya, menelantarkan anak, dan tidak memperhatikan kepentingan anak. Majelis hakim menilai hak hahdanah si ibu telah gugur.

Kata Kunci : Hak Asuh Anak, Perceraian, Perkawinan.

The legal consequence of divorce for children is the determination of child custody regarding who is entitled between father and mother to care for, educate, raise, and protect children as regulated in Law Number 23 of 2002 concerning Child Protection. This study intended to answer two questions related to child custody. First, parenting children who had not been mummy,: to their father after the divorce. Second, the Ratio Decidendi on the decisions Number 464/Pdt.G/2020/PA.Trk and Number 105/Pdt.G/2017/PA.smn. This study was normative research by using a conceptual approach, a statutory approach, and a case approach. The results of this study could be concluded that, firstly, the divorced husband and wife, custody of their children fell into the hands of the father, this was caused by several factors such as the mother having immoral characteristics, referring to the interests of the children according to the Child Protection Law, article 109 of the Compilation of Islamic Law concerning the revocation of guardianship, and the non-fulfillment of the conditions for obtaining hadhanah as referred to the Book of Kifayand Akhyar Part II Page 94 in which the custody of the children finally fell into the hands of the father. Secondly, the Ratio Decidendi on the decisions Number 464/Pdt.G/2020/PA.Trk and Number 105/Pdt.G/2017/PA.smn, the judges definitely decided to give the hadhanah of children who had not been mumaypz to the father because the mother was considered unable or not good enough to be given custody of the children because the mother had got married again, neglected her obligations, abandoned her children, and did not pay attention to the interests of her children. The panel of judges assessed that the mother's handanah rights had been lost. Keywords: Child Custody, Divorce, Marriage