negative regulation of calcium import into the mitochondrion
Any process that stops, prevents or reduces the frequency, rate or extent of calcium ion import into the mitochondrion.
GO:0110097
regulation of calcium import into the mitochondrion
is_a
GO:1903170
negative regulation of calcium ion transmembrane transport
is_a
GO:0036444
calcium import into the mitochondrion
negatively_regulates