A current sensor comprising: a plurality of bus bars (10, 20) disposed parallel to each other; and a magneto-electric conversion element (14, 24) that detects an induction magnetic field generated due to a current flowing through the bus bars (10, 20), wherein, assuming that a direction in which the current flows is an extending direction, a direction in which an adjacent bus bar (10, 20) is disposed is a lateral direction, and a direction perpendicular to the lateral direction as viewed from the extending direction is a vertical direction, the plurality of bus bars (10, 20) include at least a first bus bar and a second bus bar located next to the first bus bar, the first bus bar has a first detection recess recessed from one edge to another edge in the vertical direction and having a first bottom surface on which the magneto-electric conversion element (14, 24) is disposed and a first adjustment recess disposed with a certain distance from the first detection recess in the extending direction and recessed from the another edge to the one edge in the vertical direction, the second bus bar has a second detection recess recessed from one edge to another edge in vertical direction and having a second bottom surface on which the magneto-electric conversion element (14, 24) is disposed and a second adjustment recess disposed, with a certain distance from the second detection recess in the extending direction, and recessed from the another edge to the one edge in the vertical direction, the magneto-electric conversion element includes a first magneto-electric conversion element whose sensitive axis is directed in the lateral direction, and a second magneto-electric conversion element whose sensitive axis is directed in the lateral direction, the second bus bar is disposed at a position where a side of a portion having the second adjustment recess faces the first magneto-electric conversion element, and the first bus bar is disposed at a position where a side of a portion having the first adjustment recess faces the second magneto-electric conversion element. a plurality of bus bars (10, 20) disposed parallel to each other; and a magneto-electric conversion element (14, 24) that detects an induction magnetic field generated due to a current flowing through the bus bars (10, 20), wherein, assuming that a direction in which the current flows is an extending direction, a direction in which an adjacent bus bar (10, 20) is disposed is a lateral direction, and a direction perpendicular to the lateral direction as viewed from the extending direction is a vertical direction, the plurality of bus bars (10, 20) include at least a first bus bar and a second bus bar located next to the first bus bar, the first bus bar has a first detection recess recessed from one edge to another edge in the vertical direction and having a first bottom surface on which the magneto-electric conversion element (14, 24) is disposed and a first adjustment recess disposed with a certain distance from the first detection recess in the extending direction and recessed from the another edge to the one edge in the vertical direction, the second bus bar has a second detection recess recessed from one edge to another edge in vertical direction and having a second bottom surface on which the magneto-electric conversion element (14, 24) is disposed and a second adjustment recess disposed, with a certain distance from the second detection recess in the extending direction, and recessed from the another edge to the one edge in the vertical direction, the magneto-electric conversion element includes a first magneto-electric conversion element whose sensitive axis is directed in the lateral direction, and a second magneto-electric conversion element whose sensitive axis is directed in the lateral direction, the second bus bar is disposed at a position where a side of a portion having the second adjustment recess faces the first magneto-electric conversion element, and the first bus bar is disposed at a position where a side of a portion having the first adjustment recess faces the second magneto-electric conversion element. the plurality of bus bars (10, 20) include at least a first bus bar and a second bus bar located next to the first bus bar, the first bus bar has a first detection recess recessed from one edge to another edge in the vertical direction and having a first bottom surface on which the magneto-electric conversion element (14, 24) is disposed and a first adjustment recess disposed with a certain distance from the first detection recess in the extending direction and recessed from the another edge to the one edge in the vertical direction, the second bus bar has a second detection recess recessed from one edge to another edge in vertical direction and having a second bottom surface on which the magneto-electric conversion element (14, 24) is disposed and a second adjustment recess disposed, with a certain distance from the second detection recess in the extending direction, and recessed from the another edge to the one edge in the vertical direction, the magneto-electric conversion element includes a first magneto-electric conversion element whose sensitive axis is directed in the lateral direction, and a second magneto-electric conversion element whose sensitive axis is directed in the lateral direction, the second bus bar is disposed at a position where a side of a portion having the second adjustment recess faces the first magneto-electric conversion element, and the first bus bar is disposed at a position where a side of a portion having the first adjustment recess faces the second magneto-electric conversion element.