diff --git a/include/net/socket.h b/include/net/socket.h
index 5fcb8b2363e..70db77f9477 100644
--- a/include/net/socket.h
+++ b/include/net/socket.h
@@ -7,6 +7,7 @@
 #ifndef __NET_SOCKET_H
 #define __NET_SOCKET_H
 
+#include <sys/types.h>
 #include <zephyr/types.h>
 #include <net/net_ip.h>
 
@@ -20,6 +21,7 @@ int zsock_bind(int sock, const struct sockaddr *addr, socklen_t addrlen);
 int zsock_connect(int sock, const struct sockaddr *addr, socklen_t addrlen);
 int zsock_listen(int sock, int backlog);
 int zsock_accept(int sock, struct sockaddr *addr, socklen_t *addrlen);
+ssize_t zsock_send(int sock, const void *buf, size_t len, int flags);
 
 #if defined(CONFIG_NET_SOCKETS_POSIX_NAMES)
 #define socket zsock_socket
@@ -28,6 +30,7 @@ int zsock_accept(int sock, struct sockaddr *addr, socklen_t *addrlen);
 #define connect zsock_connect
 #define listen zsock_listen
 #define accept zsock_accept
+#define send zsock_send
 
 #define inet_ntop net_addr_ntop
 #define inet_pton net_addr_pton
diff --git a/subsys/net/lib/sockets/sockets.c b/subsys/net/lib/sockets/sockets.c
index 7fa58386621..3c85684abc2 100644
--- a/subsys/net/lib/sockets/sockets.c
+++ b/subsys/net/lib/sockets/sockets.c
@@ -141,3 +141,34 @@ int zsock_accept(int sock, struct sockaddr *addr, socklen_t *addrlen)
 	/* TODO: Ensure non-negative */
 	return POINTER_TO_INT(ctx);
 }
+
+ssize_t zsock_send(int sock, const void *buf, size_t len, int flags)
+{
+	ARG_UNUSED(flags);
+	int err;
+	struct net_context *ctx = INT_TO_POINTER(sock);
+	struct net_pkt *send_pkt = net_pkt_get_tx(ctx, K_FOREVER);
+	size_t max_len = net_if_get_mtu(net_context_get_iface(ctx));
+
+	/* Make sure we don't send more data in one packet than
+	 * MTU allows. Optimize for number of branches in the code.
+	 */
+	max_len -= NET_IPV4TCPH_LEN;
+	if (net_context_get_family(ctx) != AF_INET) {
+		max_len -= NET_IPV6TCPH_LEN - NET_IPV4TCPH_LEN;
+	}
+
+	if (len > max_len) {
+		len = max_len;
+	}
+
+	len = net_pkt_append(send_pkt, len, buf, K_FOREVER);
+	err = net_context_send(send_pkt, /*cb*/NULL, K_FOREVER, NULL, NULL);
+	if (err < 0) {
+		net_pkt_unref(send_pkt);
+		errno = -err;
+		return -1;
+	}
+
+	return len;
+}