'''Baktéríà''' ({{Audio-IPA|en-us-bacteria.ogg|[bækˈtɪərɪə]}}; ''ikan'': Bakterio) je idipo ninla awon ohun [[microoganism|elemintintinni]] [[Prokaryote|prokarioti]] ti won ni [[cell (biology)|ahamo]] eyokan. Gigun won je [[micrometre|mitatinnimitatintinni]], idasi bakteria je orisirisi, lati [[sphere|roboto]] de opa de ilo. Bakteria wa nibi gbogbo ni [[Earth|ile-aye]], won wu ninu [[soil|erupe]], omi kikan gbigbona, idoti<ref>{{cite journal |author=Fredrickson JK, Zachara JM, Balkwill DL, ''et al.'' |title=Geomicrobiology of high-level nuclear waste-contaminated vadose sediments at the Hanford site, Washington state |journal=Applied and Environmental Microbiology |volume=70 |issue=7 |pages=4230–41 |year=2004 |month=July |pmid=15240306 |pmc=444790 |doi=10.1128/AEM.70.7.4230-4241.2004}}</ref>,[[omi]], ati jinjin ninu ile aye, bakanna ninu elo elemin, ati ninu ara awon [[plant|ogbin]] ati [[animal|eranko]].
