A vehicle pillar structure, comprising: a first column that configures a part of a front pillar, that includes a first framework member formed in a substantially plate shape extending along substantially a vehicle vertical direction, that includes a second framework member formed in a substantially plate shape extending along substantially the vehicle vertical direction and opposing the first framework member, and that is configured in a tube shape wherein vehicle front side end portions(36H,38H) of the first framework member and the second framework member are superimposed and welded together and wherein flanges at vehicle rear side end portions(36J, 38J) of the first framework member and the second framework member are welded together; a second column that configures another part of the front pillar and is disposed at a vehicle rear side of the first column with a predetermined spacing between the first column and the second column, that includes a third framework member formed in a substantially plate shape extending along substantially the vehicle vertical direction, that includes a fourth framework member formed in a substantially plate shape extending along substantially the vehicle vertical direction and opposing the third framework member, and that is configured in a tube shape wherein vehicle front side end portions(40G, 44M) of the third framework member and the fourth framework member are superimposed and welded together and wherein flanges at vehicle rear side end portions(40H, 44N) of the third framework member and the fourth framework member are welded together; and a transparent member that extends between the first column and the second column, and that enables an exterior environment of a vehicle to be seen when viewed from a driving seat side; characterized in that a side member outer panel is joined to a vehicle width direction outer side portion of the second column, and a superimposed welding location of the second column is provided at a portion other than the portion to which the side member outer panel is joined. a first column that configures a part of a front pillar, that includes a first framework member formed in a substantially plate shape extending along substantially a vehicle vertical direction, that includes a second framework member formed in a substantially plate shape extending along substantially the vehicle vertical direction and opposing the first framework member, and that is configured in a tube shape wherein vehicle front side end portions(36H,38H) of the first framework member and the second framework member are superimposed and welded together and wherein flanges at vehicle rear side end portions(36J, 38J) of the first framework member and the second framework member are welded together; a second column that configures another part of the front pillar and is disposed at a vehicle rear side of the first column with a predetermined spacing between the first column and the second column, that includes a third framework member formed in a substantially plate shape extending along substantially the vehicle vertical direction, that includes a fourth framework member formed in a substantially plate shape extending along substantially the vehicle vertical direction and opposing the third framework member, and that is configured in a tube shape wherein vehicle front side end portions(40G, 44M) of the third framework member and the fourth framework member are superimposed and welded together and wherein flanges at vehicle rear side end portions(40H, 44N) of the third framework member and the fourth framework member are welded together; and a transparent member that extends between the first column and the second column, and that enables an exterior environment of a vehicle to be seen when viewed from a driving seat side;