A ceramic electronic component comprising: a ceramic body formed into a substantially rectangular parallelepiped shape, the ceramic body having a first main surface, a second main surface, a first side surface, a second side surface, a first end surface, and a second end surface, the first main surface and the second main surface extending in a length direction of the ceramic body and in a width direction of the ceramic body, the first side surface and the second side surface extending in the length direction and in a thickness direction of the ceramic body, the first end surface and the second end surface extending in the width direction and in the thickness direction; a first internal electrode and a second internal electrode formed inside the ceramic body, the first internal electrode and the second internal electrode extending in the length direction and in the width direction and facing each other in the thickness direction; a first external electrode formed on the ceramic body and electrically connected to the first internal electrode; a second external electrode formed on the ceramic body and electrically connected to the second internal electrode, each of the first external electrode and the second external electrode including a first portion (13a, 14a) located on an end portion of the first main surface in the length direction, and a second portion (13b, 14b) located on the first end surface or the second end surface, respectively, the ceramic body including an effective portion where the first internal electrode and the second internal electrode face each other in the thickness direction, a first outer layer portion that is located nearer the first main surface than the effective portion is, and a second outer layer portion that is located nearer the second main surface than the effective portion is; and a first reinforcement layer formed in the first outer layer portion so as to extend in the length direction and in the width direction, the first reinforcement layer having a portion facing the first portion of the first external electrode in the thickness direction and a portion facing the first portion of the second external electrode in the thickness direction, wherein the first reinforcement layer is not exposed from the first end surface and the second end surface, and wherein in a portion of the first main surface where the first portion (13a, 14a) of the first external electrode or of the second external electrode is provided, a portion (10a1, 10a2) that does not face the first reinforcement layer is closer to a center of the ceramic body in the thickness direction than a portion that faces the first reinforcement layer is, separately from R-chamfered corners of the ceramic body. a ceramic body formed into a substantially rectangular parallelepiped shape, the ceramic body having a first main surface, a second main surface, a first side surface, a second side surface, a first end surface, and a second end surface, the first main surface and the second main surface extending in a length direction of the ceramic body and in a width direction of the ceramic body, the first side surface and the second side surface extending in the length direction and in a thickness direction of the ceramic body, the first end surface and the second end surface extending in the width direction and in the thickness direction; a first internal electrode and a second internal electrode formed inside the ceramic body, the first internal electrode and the second internal electrode extending in the length direction and in the width direction and facing each other in the thickness direction; a first external electrode formed on the ceramic body and electrically connected to the first internal electrode; a second external electrode formed on the ceramic body and electrically connected to the second internal electrode, each of the first external electrode and the second external electrode including a first portion (13a, 14a) located on an end portion of the first main surface in the length direction, and a second portion (13b, 14b) located on the first end surface or the second end surface, respectively, the ceramic body including an effective portion where the first internal electrode and the second internal electrode face each other in the thickness direction, a first outer layer portion that is located nearer the first main surface than the effective portion is, and a second outer layer portion that is located nearer the second main surface than the effective portion is; and a first reinforcement layer formed in the first outer layer portion so as to extend in the length direction and in the width direction, the first reinforcement layer having a portion facing the first portion of the first external electrode in the thickness direction and a portion facing the first portion of the second external electrode in the thickness direction, wherein the first reinforcement layer is not exposed from the first end surface and the second end surface, and wherein in a portion of the first main surface where the first portion (13a, 14a) of the first external electrode or of the second external electrode is provided, a portion (10a1, 10a2) that does not face the first reinforcement layer is closer to a center of the ceramic body in the thickness direction than a portion that faces the first reinforcement layer is, separately from R-chamfered corners of the ceramic body.