| Kaiku | |
| Nativename: | Ikaiku |
| States: | DR Congo |
| Speakers: | 13,000 |
| Date: | 2002 |
| Ref: | e18 |
| Familycolor: | Niger-Congo |
| Fam2: | Atlantic–Congo |
| Fam3: | Benue–Congo |
| Fam4: | Bantoid |
| Fam5: | Bantu (Zone D.20–30) |
| Fam6: | Boan |
| Fam7: | Bomokandian |
| Fam8: | Biran |
| Iso3: | kkq |
| Glotto: | kaik1247 |
| Glottorefname: | Kaiku |
| Guthrie: | D.312 |
Kaiku is a Bantu language of the Democratic Republic of the Congo.