ABSTRAK Judul dari penelitian ini merupakan, “Analisis Semiotika Charles Sanders Peirce Representasi Makna Kebahagiaan Anak dalam Video Klip Lirik Lagu “Ah” karya Nadin Amizah”. Tujuan penelitian ini, yaitu untuk menganalisis representasi makna kebahagiaan anak dalam video klip lirik lagu “Ah” karya Nadin Amizah menggunakan pendekatan semiotika Charles Sanders Peirce lagu “Ah”. Penelitian ini menggunakan metode kualitatif deskriptif dengan teknik analisis semiotika Peirce yang berfokus pada model triadik representamen, objek, dan interpretan serta klasifikasi tanda dan data primer diperoleh dari video klip lirik lagu “Ah” yang diunggah di YouTube resmi Nadin Amizah, sedangkan data sekunder berasal dari berbagai sumber studi pustaka seperti buku, jurnal, artikel, dan website. Berdasarkan hasil penelitian menunjukkan bahwa kebahagiaan anak direpresentasikan sebagai kebahagiaan emosional yang dapat dipercaya, bukan bersifat spiritual atau material, kebahagiaan tersebut terbangun melalui ikatan keluarga yang hangat, dedikasi anak terhadap kebahagiaan ibunya, proses pemulihan pasca kehilangan dan kegagalan, tanda-tanda semiotika yang dominan meliputi interaksi ibu dan anak, tatapan penuh harapan, aktivitas sehari-hari, doa, dan momen pernikahan sederhana yang saling memperkuat pesan kehangatan dan ketenangan batin. Terakhir, menyimpulkan bahwa video klip “Ah” berhasil menyampaikan pesan positif mengenai kebahagiaan anak yang bersumber dari kasih sayang keluarga dan penerimaan hidup dan temuan ini diharapkan dapat memperkaya kajian semiotika komunikasi dalam musik Indonesia kontemporer. ABSTRACT The title of this study is “A Semiotic Analysis Based on Charles Sanders Peirce’s Theory of the Representation of the Meaning of Children’s Happiness in the Music Video for the Song ‘Ah’ by Nadin Amizah.” The purpose of this study is to analyze the representation of the meaning of children’s happiness in the music video for the song “Ah” by Nadin Amizah using Charles Sanders Peirce’s semiotic approach. This study employs a descriptive qualitative method using Peirce’s semiotic analysis technique, which focuses on the triadic model of representamen, object, and interpretant, as well as the classification of signs. Primary data was obtained from the music video for the song “Ah” uploaded to Nadin Amizah’s official YouTube channel, while secondary data was sourced from various literature studies, including books, journals, articles, and websites. The research findings indicate that a child’s happiness is represented as a credible form of emotional happiness—neither spiritual nor material in nature. This happiness is built through warm family bonds, the child’s dedication to their mother’s happiness, and the process of recovery following loss and failure. Dominant semiotic signs include mother-child interactions, hopeful gazes, daily activities, prayers, and simple wedding moments that mutually reinforce messages of warmth and inner peace. Finally, we conclude that the music video for “Ah” successfully conveys a positive message about a child’s happiness stemming from family love and acceptance of life, and we hope that these findings will enrich the study of communication semiotics in contemporary Indonesian music.