<p>La pr&eacute;sente &eacute;tude se propose de d&eacute;terminer le r&ocirc;le du tatouage dans l&rsquo;affirmation de l&rsquo;identit&eacute; criminelle chez les &laquo;&nbsp;microbes&nbsp;&raquo; &agrave; Abidjan. Elle se fonde sur l&rsquo;hypoth&egrave;se g&eacute;n&eacute;rale selon laquelle la r&eacute;alisation des tatouages participe &agrave; l&rsquo;affirmation de l&rsquo;identit&eacute; criminelle chez les &laquo;&nbsp;microbes&nbsp;&raquo; &agrave; Abidjan. L&rsquo;approche m&eacute;thodologique utilis&eacute;e est qualitative et le recueil des donn&eacute;es s&rsquo;est fait au moyen d&rsquo;un entretien non-directif. Il s&rsquo;est adress&eacute; &agrave; un &eacute;chantillon de trente &laquo;&nbsp;microbes&nbsp;&raquo;, tous de sexe masculin, et &acirc;g&eacute;s de 10 &agrave; 25 ans, re&ccedil;us sur une p&eacute;riode de six mois (du 1er juillet au 28 d&eacute;cembre 2019), au service d&rsquo;addictologie et d&rsquo;hygi&egrave;ne mentale de l&rsquo;Institut national de sant&eacute; publique (INSP) d&rsquo;Abidjan (C&ocirc;te d&rsquo;Ivoire). Les r&eacute;sultats obtenus, interpr&eacute;t&eacute;s &agrave; la lumi&egrave;re de la th&eacute;orie du Moi-peau d&rsquo;Anzieu (1985), indiquent que les tatouages servaient de signes d&rsquo;appartenance &agrave; la bande antisociale chez 43&nbsp;% des &laquo;&nbsp;microbes&nbsp;&raquo;, permettaient &agrave; 13 % de se faire respecter et &agrave; 43 % de se faire craindre des pairs et de la population g&eacute;n&eacute;rale. Ces r&eacute;sultats insistent sur l&rsquo;int&eacute;r&ecirc;t de pr&ecirc;ter attention au langage corporel chez les adolescents et jeunes inadapt&eacute;s &agrave; Abidjan.</p> <p><em>Summary: The present study aims to determine the role of tattoos in the affirmation of criminal identity among &quot;microbes&quot; in Abidjan. It is based on the general hypothesis that tattooing contributes to the affirmation of criminal identity among the &quot;microbes&quot; in Abidjan. The methodological approach used is qualitative and the data was collected by means of a non-directive interview. It was addressed to a sample of 30 &quot;microbes&quot;, all male, aged between 10 and 25 years, received over a period of six months (from 1 July to 28 December 2019), at the Addictology and Mental Hygiene Department of the National Institute of Public Health (INSP) in Abidjan (C&ocirc;te d&#39;Ivoire). The results obtained, interpreted in the light of Anzieu&#39;s (1985) theory of the ego-skin, indicate that tattoos were used as signs of belonging to the antisocial group by 43% of the &quot;microbes&quot;, allowing 13% to gain respect and 43% to be feared by their peers and the general population. These results emphasise the importance of paying attention to body language among adolescents and young people who are maladjusted in Abidjan. </em></p>