diff --git a/libs/langchain/langchain/embeddings/cohere.py b/libs/langchain/langchain/embeddings/cohere.py
index 1a6b3cdca0..e64019dd20 100644
--- a/libs/langchain/langchain/embeddings/cohere.py
+++ b/libs/langchain/langchain/embeddings/cohere.py
@@ -37,6 +37,8 @@ class CohereEmbeddings(BaseModel, Embeddings):
     """Maximum number of retries to make when generating."""
     request_timeout: Optional[float] = None
     """Timeout in seconds for the Cohere API request."""
+    user_agent: str = "langchain"
+    """Identifier for the application making the request."""
 
     class Config:
         """Configuration for this pydantic object."""
@@ -55,11 +57,18 @@ class CohereEmbeddings(BaseModel, Embeddings):
         try:
             import cohere
 
+            client_name = values["user_agent"]
             values["client"] = cohere.Client(
-                cohere_api_key, max_retries=max_retries, timeout=request_timeout
+                cohere_api_key,
+                max_retries=max_retries,
+                timeout=request_timeout,
+                client_name=client_name,
             )
             values["async_client"] = cohere.AsyncClient(
-                cohere_api_key, max_retries=max_retries, timeout=request_timeout
+                cohere_api_key,
+                max_retries=max_retries,
+                timeout=request_timeout,
+                client_name=client_name,
             )
         except ImportError:
             raise ValueError(
diff --git a/libs/langchain/langchain/llms/cohere.py b/libs/langchain/langchain/llms/cohere.py
index c902b4c047..b24e10adb6 100644
--- a/libs/langchain/langchain/llms/cohere.py
+++ b/libs/langchain/langchain/llms/cohere.py
@@ -80,6 +80,9 @@ class BaseCohere(Serializable):
     streaming: bool = Field(default=False)
     """Whether to stream the results."""
 
+    user_agent: str = "langchain"
+    """Identifier for the application making the request."""
+
     @root_validator()
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
@@ -94,8 +97,11 @@ class BaseCohere(Serializable):
             cohere_api_key = get_from_dict_or_env(
                 values, "cohere_api_key", "COHERE_API_KEY"
             )
-            values["client"] = cohere.Client(cohere_api_key)
-            values["async_client"] = cohere.AsyncClient(cohere_api_key)
+            client_name = values["user_agent"]
+            values["client"] = cohere.Client(cohere_api_key, client_name=client_name)
+            values["async_client"] = cohere.AsyncClient(
+                cohere_api_key, client_name=client_name
+            )
         return values
 
 
diff --git a/libs/langchain/langchain/retrievers/document_compressors/cohere_rerank.py b/libs/langchain/langchain/retrievers/document_compressors/cohere_rerank.py
index 3db3f7c92f..d8790b3239 100644
--- a/libs/langchain/langchain/retrievers/document_compressors/cohere_rerank.py
+++ b/libs/langchain/langchain/retrievers/document_compressors/cohere_rerank.py
@@ -30,6 +30,8 @@ class CohereRerank(BaseDocumentCompressor):
     """Model to use for reranking."""
 
     cohere_api_key: Optional[str] = None
+    user_agent: str = "langchain"
+    """Identifier for the application making the request."""
 
     class Config:
         """Configuration for this pydantic object."""
@@ -40,18 +42,18 @@ class CohereRerank(BaseDocumentCompressor):
     @root_validator(pre=True)
     def validate_environment(cls, values: Dict) -> Dict:
         """Validate that api key and python package exists in environment."""
-        cohere_api_key = get_from_dict_or_env(
-            values, "cohere_api_key", "COHERE_API_KEY"
-        )
         try:
             import cohere
-
-            values["client"] = cohere.Client(cohere_api_key)
         except ImportError:
             raise ImportError(
                 "Could not import cohere python package. "
                 "Please install it with `pip install cohere`."
             )
+        cohere_api_key = get_from_dict_or_env(
+            values, "cohere_api_key", "COHERE_API_KEY"
+        )
+        client_name = values["user_agent"]
+        values["client"] = cohere.Client(cohere_api_key, client_name=client_name)
         return values
 
     def compress_documents(