A high strength steel sheet characterized by having: a chemical composition comprising C: 0.08% to 0.20%, Si: 0.3% or less, Mn: 0.1% to 3.0%, P: 0.10% or less, S: 0.030% or less, Al: 0.10% or less, N: 0.010% or less, V: 0.35% to 0.80%, and optionally further comprising at least one group selected from the following Group A to Group F on a percent by mass basis: Group A: Ti: 0.005% to 0.20%, Group B: at least one selected from Nb: 0.005% to 0.50%, Mo: 0.005% to 0.50%, Ta: 0.005% to 0.50%, and W: 0.005% to 0.50%, Group C: B: 0.0002% to 0.0050%, Group D: at least one selected from Cr: 0.01% to 1.0%, Ni: 0.01% to 1.0%, and Cu: 0.01% to 1.0%, Group E: Sb: 0.005% to 0.050%, and Group F: at least one selected from Ca: 0.0005% to 0.01% and REM: 0.0005% to 0.01%, and the remainder composed of Fe and incidental impurities on a percent by mass basis; a microstructure which includes 95% or more of ferrite phase on an area percentage basis, in which precipitates having a particle size of less than 10 nm are dispersed having a distribution in such a way that the number density is 1.0 × 10 5 /μm 3 or more and the standard deviation of natural logarithm values of precipitate particle sizes (nm) with respect to precipitates having a particle size of less than 10 nm, which is determined as defined in the description, is 1.5 or less; and a high yield strength of 1,000 MPa or more. a chemical composition comprising C: 0.08% to 0.20%, Si: 0.3% or less, Mn: 0.1% to 3.0%, P: 0.10% or less, S: 0.030% or less, Al: 0.10% or less, N: 0.010% or less, V: 0.35% to 0.80%, and optionally further comprising at least one group selected from the following Group A to Group F on a percent by mass basis: Group A: Ti: 0.005% to 0.20%, Group B: at least one selected from Nb: 0.005% to 0.50%, Mo: 0.005% to 0.50%, Ta: 0.005% to 0.50%, and W: 0.005% to 0.50%, Group C: B: 0.0002% to 0.0050%, Group D: at least one selected from Cr: 0.01% to 1.0%, Ni: 0.01% to 1.0%, and Cu: 0.01% to 1.0%, Group E: Sb: 0.005% to 0.050%, and Group F: at least one selected from Ca: 0.0005% to 0.01% and REM: 0.0005% to 0.01%, and the remainder composed of Fe and incidental impurities on a percent by mass basis; a microstructure which includes 95% or more of ferrite phase on an area percentage basis, in which precipitates having a particle size of less than 10 nm are dispersed having a distribution in such a way that the number density is 1.0 × 10 5 /μm 3 or more and the standard deviation of natural logarithm values of precipitate particle sizes (nm) with respect to precipitates having a particle size of less than 10 nm, which is determined as defined in the description, is 1.5 or less; and a high yield strength of 1,000 MPa or more. Group A: Ti: 0.005% to 0.20%, Group B: at least one selected from Nb: 0.005% to 0.50%, Mo: 0.005% to 0.50%, Ta: 0.005% to 0.50%, and W: 0.005% to 0.50%, Group C: B: 0.0002% to 0.0050%, Group D: at least one selected from Cr: 0.01% to 1.0%, Ni: 0.01% to 1.0%, and Cu: 0.01% to 1.0%, Group E: Sb: 0.005% to 0.050%, and Group F: at least one selected from Ca: 0.0005% to 0.01% and REM: 0.0005% to 0.01%, and the remainder composed of Fe and incidental impurities on a percent by mass basis; a microstructure which includes 95% or more of ferrite phase on an area percentage basis, in which precipitates having a particle size of less than 10 nm are dispersed having a distribution in such a way that the number density is 1.0 × 10 5 /μm 3 or more and the standard deviation of natural logarithm values of precipitate particle sizes (nm) with respect to precipitates having a particle size of less than 10 nm, which is determined as defined in the description, is 1.5 or less; and a high yield strength of 1,000 MPa or more.