Platinum(II) bis(acetylacetonate) is the coordination compound with the formula Pt(O<sub>2</sub>C<sub>5</sub>H<sub>7</sub>)<sub>2</sub>, abbreviated Pt(acac)<sub>2</sub>. The homoleptic acetylacetonate complex of platinum(II), it is a yellow, benzene-soluble solid. According to X-ray crystallography, the Pt center is square planar. The compound is a widely used precursor to platinum-based catalysts.
The complex is prepared by the reaction of the platinum(II) aquo complex [Pt(H<sub>2</sub>O)<sub>4</sub>]<sup>2+</sup> with acetylacetone.