An optical glass that is oxide glass, containing Si4+, B3+, La3+, Ti4+, Nb5+, and Zr4+; containing, denoted as cation %, Si4+ and B3+ of 5 to 55% in total, La3+ of 10 to 50%, with a total content of La3+, Gd3+, Y3+ and Yb3+≦70%, and Ti4+, Nb5+, Ta5+ and W6+ of 22 to 55% in total, with a content of Ti4+≦22%, wherein [Si4+/(Si4++B3+)]≦0.40; the total content of La3+, Gd3+, Y3+, Yb3+, Zr4+, Ti4+, Nb5+, Ta5+, W6+ and Bi3+≧65%; [Y3+/(La3++Gd3++Y3++Yb3+)]≦0.12; [Ba2+/(La3++Gd3++Y3++Yb3+)]≦0.40; [(Zr4++Ti4++Nb5++Ta5++W6+)/Zr4+]≧2; (Ti4+/B3+)≧0.85; and an Abbé number νd is in a range from 23 to 35, and a refractive index nd satisfies nd≧2.205−(0.0062×νd).