Any process that modulates the frequency, rate or extent of catalase activity.
Synonyms:
exact_synonym:
regulation of caperase activity; regulation of catalase reaction; regulation of catalase-peroxidase activity; regulation of equilase activity; regulation of hydrogen-peroxide:hydrogen-peroxide oxidoreductase activity; regulation of optidase activity
narrow_synonym:
regulation of bacterial catalase-peroxidase activity; regulation of haem catalase activity; regulation of heme catalase activity; regulation of manganese catalase activity