Same-sex marriage is generally defined as an institution that legally recognizes the civil union between two men or two women, or same-sex couples. The term homoparentalidad establishes the de facto or legal union in which a minor is linked with an LGBTI couple, a couple that has managed to formalize their civil union according to Argentine legislation to form, immediately, a family and, in the future , the possibility of increasing the number of members of the family nucleus, a significant advance that brought with it Law 26,618, regulation compiled in the new issuance of the Argentine Civil Code. However, despite having Argentina as an example, with great regulatory advances in the regulation of the rights of same-sex couples and the possibility of adopting, in Colombia, over the years and especially in the last three For decades, the debate around homoparental adoption has been interesting. As can be seen, most of the rights recognized for same-sex couples have been achieved through the courts. However, the legislator has not taken on the task of guaranteeing the rights of these individuals through clear regulations.