diff --git a/http/cookiejar.go b/http/cookiejar.go
new file mode 100644
index 0000000..b87977b
--- /dev/null
+++ b/http/cookiejar.go
@@ -0,0 +1,68 @@
+package httputil
+
+import (
+	"net/http"
+	"net/http/cookiejar"
+	"net/url"
+	"sync"
+)
+
+// Option represents a configuration option for the cookie jar
+type Option func(*CookieJar)
+
+// WithCookieJar sets an existing cookie jar to wrap
+func WithCookieJar(jar http.CookieJar) Option {
+	return func(cj *CookieJar) {
+		cj.jar = jar
+	}
+}
+
+// CookieJar is a thread-safe wrapper around http.CookieJar
+type CookieJar struct {
+	jar http.CookieJar
+	mu  sync.RWMutex
+}
+
+// New creates a new thread-safe cookie jar with the given options
+// If no jar is provided, creates a simple in-memory cookie jar
+func NewCookieJar(opts ...Option) (*CookieJar, error) {
+	cj := &CookieJar{}
+
+	// Apply options
+	for _, opt := range opts {
+		opt(cj)
+	}
+
+	// If no jar was provided, create a new one
+	if cj.jar == nil {
+		jar, err := cookiejar.New(nil)
+		if err != nil {
+			return nil, err
+		}
+		cj.jar = jar
+	}
+
+	return cj, nil
+}
+
+// SetCookies implements http.CookieJar.SetCookies
+func (cj *CookieJar) SetCookies(u *url.URL, cookies []*http.Cookie) {
+	if cj.jar == nil {
+		return
+	}
+
+	cj.mu.Lock()
+	defer cj.mu.Unlock()
+	cj.jar.SetCookies(u, cookies)
+}
+
+// Cookies implements http.CookieJar.Cookies
+func (cj *CookieJar) Cookies(u *url.URL) []*http.Cookie {
+	if cj.jar == nil {
+		return nil
+	}
+
+	cj.mu.RLock()
+	defer cj.mu.RUnlock()
+	return cj.jar.Cookies(u)
+}