Three-dimensionally　ordered　macroporous　(3DOM)　CoFe2O4,　zMnO(x)/3DOM　CoFe2O4　(z　=4.99-12.30　wt%),　and　yPd-Pt/6.70　wt%　MnOx/3DOM　CoFe2O4　(y　=　0.44-1.81　wt%;　Pd/Pt　molar　ratio　=　2.1-2.2)　have　been　prepared　using　the　polymethyl　methacrylate　microspheres-templating,　incipient　wetness　impregnation,　and　bubble-assisted　polyvinyl　alcohol-protected　reduction　strategies,　respectively.　All　of　the　samples　were　characterized　by　means　of　various　techniques.　Catalytic　performance　of　the　samples　was　measured　for　methane　combustion.　It　is　shown　that　the　as-prepared　samples　exhibited　a　high-quality　3DOM　structure　(103　+/-　20　nm　in　pore　size)　and　a　surface　area　of　19-28　m(2)/g,　and　the　noble　metal　or　alloy　nanoparticles　(NPs)　with　a　size　of　2.2-3.0　nm　were　uniformly　dispersed　on　the　macropore　wall　surface　of　3DOM　CoFe2O4.　The　loading　of　MnOx　on　CoFe2O4　gave　rise　to　a　slight　increase　in　activity,　however,　the　dispersion　of　Pd-Pt　NPs　on　6.70MnO(x)/3DOM　CoFe2O4　significantly　enhanced　the　catalytic　performance,　with　the　1.81Pd(2.1)　Pt/6.70MnO(x)/3DOM　CoFe2O4　sample　showing　the　highest　activity　(T-10%　=　255　degrees　C,　T-50%　=　301　degrees　C,　and　T-90%　=　372　degrees　C　at　a　space　velocity　of　20,000　mL/(g　h)).　We　believe　that　the　excellent　catalytic　activity　of　1.81Pd(2.1)　Pt/6.70MnO(x)/3　DOM　CoFe2O4　was　related　to　its　well-dispersed　Pd-Pt　alloy　NPs,　high　adsorbed　oxygen　species　concentration,　good　low-temperature　reducibility,　and　strong　interaction　between　MnOx　or　Pd-Pt　NPs　and　3DOM　CoFe2O4.　(C)　2017　Elsevier　B.V.　All　rights　reserved.