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Design and direct construction of oxygen evolution reaction (OER) catalyst-based electrode is an efficient route to improve the water splitting reaction. Herein, we proposed a facile route to synthesize and load the composite of amorphous CoFe oxyhydroxide (CoFeO x (OH) y) and MoS 2 on the carbon paper by combining a hydrothermal and an electrodeposition process. CoFeO x (OH) y has a special feature of long-range disorder (amorphous phase) and short-range order (crystal phase), which greatly improves the OER catalytic performance of the hybrids. In virtue of the synergistic effect of CoFeO x (OH) y and MoS 2 , an improved electronic coupling effect occurs, which increases the oxidation state of Co and Fe, and thus enhances OER activity. As-synthesized CoFeO x (OH) y /MoS 2 /CP (CFOMS/CP) electrode affords excellent electrocatalytic activity and good electrochemical OER stability: A small Tafel slope of 37.9 mV dec−1 (vs. 62.1 mV dec−1 for CoFeO x (OH) y /CP, 120.2 mV dec−1 for RuO 2 /CP) and low overpotential 242 mV at 10 mA cm−2 (vs. 263 mV for CoFeO x (OH) y /CP, 317 mV for RuO 2 /CP), as well as a stable running for 25 h. [Display omitted] • Amorphous CoFeO x (OH) y /MoS 2 composite uniformly dispersing on carbon paper. • In-situ growth of MoS 2 by hydrothermal and CoFeO x (OH) y by electrodeposition. • CoFeO x (OH) y /MoS 2 /CP directly as catalytic OER electrode. • Superior OER performances: η 10 (242 mV) and Tafel slope (37.9 mV dec−1). [ABSTRACT FROM AUTHOR]