ðə mˈɛnz fˈoːɹhˈʌndɹɪd mˈiːɾɚ fɹˈiːstaɪl ᵻvˈɛnt æt ðə nˈaɪntiːnhˈʌndɹɪd nˈaɪnti tˈuː sˈʌmɚɹ əlˈɪmpɪks tˈʊk plˈeɪs ˌɔn twˈɛnti nˈaɪn dʒuːlˈaɪ æt ðə pˈɪsiːnz bˈɜːnæt pˌiːkoʊənˈɛl ɪn bˌɑːɹsɪlˈoʊnə, spˈeɪn.
The men's 400 metre freestyle event at the 1992 Summer Olympics took place on 29 July at the Piscines Bernat Picornell in Barcelona, Spain.