Johannes Høyer (born 19 January 1883) was a Norwegian judge and politician.
He was born in Arendal to priest Hans Anton Høyer and Jørgine Marianne Petersen.
He was elected representative to the Storting for the period 1925–1927, for the Conservative Party.
From 1928 to 1939 he was a public prosecutor (Norwegian: statsadvokat) of Nordland lagsogn.
In 1939 he was appointed as a district stipendiary magistrate (Norwegian: sorenskriver) of Hedmark.