In LGBTQIA+ adults, 36% are parents, but there are a limited number of parenting scales that have undergone psychometric evaluation in LGBTQIA+ parents. This study assessed the Multidimensional Assessment of Parenting Scale (MAPS) in LGBTQIA+ parents, addressing a gap in parenting scales considering both positive and negative aspects for this group. Our study includes two racially and ethnically diverse national samples of parents ( n = 2,299, mean age = 37.05 years, 32.84% LGBTQIA+). We explored measurement invariance between LGBTQIA+ and non-LGBTQIA+ parents. The analysis revealed a modest fit for configural and metric invariance, indicating the MAPS structure and item loadings were consistent across groups, although scalar invariance was only partially supported. Subscales showed good internal consistency for both parent groups. Importantly, following false discovery rate corrections, interactions between LGBTQIA+ status and specific MAPS subscales (supportiveness, physical control) were significantly, but differentially, related to various child psychopathology dimensions, suggesting parenting impacts may differ for LGBTQIA+ families. These findings underscore the importance of including LGBTQIA+ perspectives in parenting research to develop tailored interventions that address their unique strengths and challenges. Acknowledging and supporting the diverse experiences of LGBTQIA+ parents can enhance targeted resources and interventions, contributing to better outcomes for all families.