An optical glass having a composition consisting of, by mass%: SiO 2: 0% or more and 8% or less; La 2 O 3: 0% or more and 50% or less; B 2 O 3: 15% or more and 35% or less; Gd 2 O 3: 0% or more and 50% or less; Y 2 O 3: 0% or more and 20% or less; LaF 3: 10% or more and 60% or less; GdF 3: 0% or more and 20% or less; YF 3: 0% or more and 20% or less; Li 2 O: 0% or more and less than 3%; LiF: 0% or more and 5% or less; NaF: 0% or more and 3% or less; BaO: 0% or more and 5% or less; MgF 2: 0% or more and 5% or less; CaF 2: 0% or more and 10% or less; SrF 2: 0% or more and 25% or less; BaF 2: 0% or more and 30% or less; AlF 3: 0% or more and 5% or less; Ta 2 O 5: 0% or more and 5% or less; ZrO 2: 0% or more and 5% or less; and Nb 2 O 5: 0% or more and 3% or less, wherein: a total ratio of La 2 O 3, Gd 2 O 3, and Y 2 O 3 is 11% or more and 62% or less; a total ratio of LaF 3, GdF 3, and YF 3 is 10% or more and 60% or less; a total ratio of Li + and Na + is 0% or more and 1.35% or less by mass%; the optical glass contains no Zn 2+; the optical glass contains no component having absorption in a near-infrared region; and an Abbe number (vd) and a refractive index (nd) fall within a region defined by line segments A-B, B-C, C-D, and D-A sequentially connecting points A (56.0, 1.755), B (54.0, 1.755), C (60.0, 1.650), and D (63.0, 1.650) in an orthogonal coordinate system where the x-axis represents the Abbe number (vd) and the y-axis represents the refractive index (nd). SiO 2: 0% or more and 8% or less; La 2 O 3: 0% or more and 50% or less; B 2 O 3: 15% or more and 35% or less; Gd 2 O 3: 0% or more and 50% or less; Y 2 O 3: 0% or more and 20% or less; LaF 3: 10% or more and 60% or less; GdF 3: 0% or more and 20% or less; YF 3: 0% or more and 20% or less; Li 2 O: 0% or more and less than 3%; LiF: 0% or more and 5% or less; NaF: 0% or more and 3% or less; BaO: 0% or more and 5% or less; MgF 2: 0% or more and 5% or less; CaF 2: 0% or more and 10% or less; SrF 2: 0% or more and 25% or less; BaF 2: 0% or more and 30% or less; AlF 3: 0% or more and 5% or less; Ta 2 O 5: 0% or more and 5% or less; ZrO 2: 0% or more and 5% or less; and Nb 2 O 5: 0% or more and 3% or less, wherein: a total ratio of La 2 O 3, Gd 2 O 3, and Y 2 O 3 is 11% or more and 62% or less; a total ratio of LaF 3, GdF 3, and YF 3 is 10% or more and 60% or less; a total ratio of Li + and Na + is 0% or more and 1.35% or less by mass%; the optical glass contains no Zn 2+; the optical glass contains no component having absorption in a near-infrared region; and an Abbe number (vd) and a refractive index (nd) fall within a region defined by line segments A-B, B-C, C-D, and D-A sequentially connecting points A (56.0, 1.755), B (54.0, 1.755), C (60.0, 1.650), and D (63.0, 1.650) in an orthogonal coordinate system where the x-axis represents the Abbe number (vd) and the y-axis represents the refractive index (nd). a total ratio of La 2 O 3, Gd 2 O 3, and Y 2 O 3 is 11% or more and 62% or less; a total ratio of LaF 3, GdF 3, and YF 3 is 10% or more and 60% or less; a total ratio of Li + and Na + is 0% or more and 1.35% or less by mass%; the optical glass contains no Zn 2+; the optical glass contains no component having absorption in a near-infrared region; and an Abbe number (vd) and a refractive index (nd) fall within a region defined by line segments A-B, B-C, C-D, and D-A sequentially connecting points A (56.0, 1.755), B (54.0, 1.755), C (60.0, 1.650), and D (63.0, 1.650) in an orthogonal coordinate system where the x-axis represents the Abbe number (vd) and the y-axis represents the refractive index (nd).