This　study　aims　to　develop　3D　printable　engineered　cementitious　composites　(3DPECC)　with　incineration　bottom　ash　(IBA)　for　the　enhancement　of　sustainability.　The　impacts　of　using　IBA　to　substitute　aggregate　(0%,　20%,　40%,　and　60%　by　volume)　on　the　fresh　properties,　hydration　kinetics,　and　hardened　properties　of　3DPECC　were　investigated.　The　3DPECC　incorporated　IBA　was　firstly　tailored　for　3D　printing　by　the　optimization　of　fresh　properties.　The　results　show　that　the　addition　of　IBA　enhances　hydration　degree　while　leading　to　a　porous　IBA　in　the　matrix.　Due　to　the　enhanced　hydration　degree,　printed　specimens　with　20%　IBA　substitution　exhibit　improved　tensile　strength　(6.19　MPa),　compressive　strength　(50.47　MPa),　and　flexural　strength　(22.60　MPa)　compared　to　that　of　printed　specimens　without　IBA.　Due　to　the　porous　IBA,　printed　specimens　with　60%　IBA　substitution　reduce　14.9%,　1.5%,　and　14.5%　on　the　tensile,　compressive,　and　flexural　strength,　respectively,　compared　to　printed　specimens　with　20%　IBA　substitution.　Sustainability　analysis　reveals　that　3DPECC　with　60%　IBA　substitution　reduces　1.27　kg/m3　and　14.74　$/m3　on　embodied　carbon　and　cost,　respectively,　compared　to　that　of　3DPECC　without　IBA.　The　findings　reveal　that　recycling　IBA　in　3DPECC　is　a　feasible　solution　to　facilitate　municipal　solid　waste　management　and　sustainable　construction.　©　2023　Elsevier　Ltd