The object of the present invention is to provide a laminate for paper cups comprising a polyolefin resin layer containing biomass polyolefin, which is comparable in physical properties such as mechanical properties to conventional laminates for paper cups comprising a polyolefin resin layer made of polyolefin derived from fossil fuel. A laminate for paper cups according to the present invention comprises at least a paper substrate layer, a polyolefin resin layer, a barrier layer and a thermoplastic resin layer in this order, and the outermost layer of the laminate for paper cups is the above-described The paper base layer, the innermost layer of the paper cup laminate is the thermoplastic resin layer, the polyolefin resin layer contains a biomass polyolefin that is a polymer of a monomer containing biomass-derived ethylene, and the polyolefin resin The biomass degree in the layer is 5% or more, and the polyolefin resin layer is composed of only two types of biomass-derived low-density polyethylene and fossil fuel-derived low-density polyethylene. [Selection drawing] Fig. 1【課題】従来の化石燃料由来のポリオレフィンからなるポリオレフィン樹脂層を備える紙カップ用積層体と機械的特性等の物性面で遜色ない、バイオマスポリオレフィンを含むポリオレフィン樹脂層を備える紙カップ用積層体の提供。【解決手段】本発明による紙カップ用積層体は、少なくとも、紙基材層と、ポリオレフィン樹脂層と、バリア層と、熱可塑性樹脂層とをこの順に備え、前記紙カップ用積層体の*外層が前記紙基材層であり、前記紙カップ用積層体の*内層が前記熱可塑性樹脂層であり、前記ポリオレフィン樹脂層が、バイオマス由来のエチレンを含むモノマーの重合体であるバイオマスポリオレフィンを含み、前記ポリオレフィン樹脂層中のバイオマス度が5%以上であり、前記ポリオレフィン樹脂層が、バイオマス由来の低密度ポリエチレンと、化石燃料由来の低密度ポリエチレンとの2種のみで構成される。【選択図】図1