Thermosetting resin composition and cured product

A thermosetting resin composition comprising:

• a first resin which is a thermosetting resin;
• and
• resin particles comprising a second resin having an amide bond,
• wherein
• the second resin comprises one or more second functional groups selected from the group consisting of an amino group, a carboxy group, an isocyanate group, and a carboxylic anhydride group,
• the first resin comprises a first functional group capable of reacting with the one or more second functional groups,
• the second resin comprises the one or more second functional groups in an amount of from 25 to 190 mmol/kg, and
• the second resin has a relative viscosity of from 1.50 to 2.50.