diff --git a/llama_index/embeddings/cohereai.py b/llama_index/embeddings/cohereai.py
index 1fd4f19edd7ffdf10843b9439ad216aaf84d7261..91df867f0d73913f06ca016532934b15f1e4d042 100644
--- a/llama_index/embeddings/cohereai.py
+++ b/llama_index/embeddings/cohereai.py
@@ -111,7 +111,7 @@ class CohereEmbedding(BaseEmbedding):
             raise ValueError(f"truncate must be one of {VALID_TRUNCATE_OPTIONS}")
 
         super().__init__(
-            cohere_client=cohere.Client(cohere_api_key),
+            cohere_client=cohere.Client(cohere_api_key, client_name="llama_index"),
             cohere_api_key=cohere_api_key,
             model_name=model_name,
             truncate=truncate,
diff --git a/llama_index/finetuning/rerankers/cohere_reranker.py b/llama_index/finetuning/rerankers/cohere_reranker.py
index 220de621ddf3751870ef2ef1d2936d8aa07d258c..756d3da0395f44d2d9bad30ba30e82092ef989dc 100644
--- a/llama_index/finetuning/rerankers/cohere_reranker.py
+++ b/llama_index/finetuning/rerankers/cohere_reranker.py
@@ -38,7 +38,7 @@ class CohereRerankerFinetuneEngine(BaseCohereRerankerFinetuningEngine):
                 "Must pass in cohere api key or "
                 "specify via COHERE_API_KEY environment variable "
             )
-        self._model = cohere.Client(self.api_key)
+        self._model = cohere.Client(self.api_key, client_name="llama_index")
         self._train_file_name = train_file_name
         self._val_file_name = val_file_name
         self._model_name = model_name
diff --git a/llama_index/llms/cohere.py b/llama_index/llms/cohere.py
index 94951cf9c41661478d00722c519afe9153f5f719..fe19c2755b6384f775249dd945e343cfcd25bd15 100644
--- a/llama_index/llms/cohere.py
+++ b/llama_index/llms/cohere.py
@@ -69,8 +69,8 @@ class Cohere(LLM):
         additional_kwargs = additional_kwargs or {}
         callback_manager = callback_manager or CallbackManager([])
 
-        self._client = cohere.Client(api_key)
-        self._aclient = cohere.AsyncClient(api_key)
+        self._client = cohere.Client(api_key, client_name="llama_index")
+        self._aclient = cohere.AsyncClient(api_key, client_name="llama_index")
 
         super().__init__(
             temperature=temperature,